Proportions 1
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Question 1 of 4
1. Question
Find the value of `m``5:3=m:12` `m=` (20)
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A ratio compares quantities of the same type given in the same units.Convert the ratios into fraction form and solve for `m`.`5:3` `=` `m:12` `5/3` `=` `m/(12)` Convert to fraction form `3(m)` `=` `5(12)` Cross multiply `3m``divide3` `=` `60``divide3` Divide both sides by `3` `m` `=` `20` `m=20` 
Question 2 of 4
2. Question
Find the value of `a``6:24=2:a` `a=` (8)
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Correct!
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A ratio compares quantities of the same type given in the same units.Convert the ratios into fraction form and solve for `a`.`6:24` `=` `2:a` `6/(24)` `=` `2/a` Convert to fraction form `6(a)` `=` `2(24)` Cross multiply `6a``divide6` `=` `48``divide6` Divide both sides by `6` `a` `=` `8` `a=8` 
Question 3 of 4
3. Question
Find the value of `x``4:5=16:x` `x=` (20)
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A ratio compares quantities of the same type given in the same units.Convert the ratios into fraction form and solve for `x`.`4:5` `=` `16:x` `4/5` `=` `(16)/x` Convert to fraction form `4(x)` `=` `16(5)` Cross multiply `4x``divide4` `=` `80``divide4` Divide both sides by `4` `x` `=` `20` `x=20` 
Question 4 of 4
4. Question
Peter and Andrew divided their money in the ratio of `4:5`. If Peter obtained `$5.40`, how much did Andrew receive? `$` (6.75)
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Fantastic!
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A ratio compares quantities of the same type given in the same units.Write the problem in equation form and let `x` be the unknown value`4:5` `=` `5.40:x` Convert the ratios into fraction form and solve for `x`.`4:5` `=` `5.40:x` `4/5` `=` `(5.40)/x` Convert to fraction form `4(x)` `=` `5.40(5)` Cross multiply `4x``divide4` `=` `27``divide4` Divide both sides by `4` `x` `=` `6.75` `$6.75`
Quizzes
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 Ratios 2
 Ratios 3
 Ratios 4
 Proportions 1
 Proportions 2
 Dividing Quantities
 Rates 1
 Rates 2
 Rates 3
 Rates 4
 Scales 1
 Scales 2
 Scales 3
 Find Base from Percent of an Amount (Unitary Method) 1
 Find Base from Percent of an Amount (Unitary Method) 2
 Using Percentages with Proportions
 Find Original Amount Before Percent Change (Unitary Method)