Solve the subsequent proportion:
Example:
Solve the subsequent proportion for x.
Solution:
5:x = 4:15
The product of the extremes is (5)(15) = 75.
The product of the means is (x)(4) = 4x.
Equate these two products and solve the resulting equation.
4x = 75
4x/4 = 75/4
X = 18(3/4)