Question

What is 5/4= x/12 solve for proportion?

Answer 1

`(5)/(4) = (x)/(12) \\ \\4*x=5*12 \\ \\4x=60 \ \ \ /:4 \\ \\x=60:4 \\ \\x=15`

Answer 2

`(5)/(4)=(x)/(12)\ \ \ \ \ |cross\ multiply\\\\4\cdot x=5\cdot12\\\\4x=60\ \ \ \ \ |divide\ both\ sides\ by\ 4\\\\\boxed{x=15}`