Finding the Fourth Proportional to 18,201.24, 25,113.24 and 11,125.08
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Solution
The fourth proportional to 18,201.24, 25,113.24 and 11,125.08 is: 15,349.88
Step by Step Solution
- Step 1: Write the proportion equation
18,201.24 : 25,113.24 = 11,125.08 : x - Step 2: Convert to fraction form
18,201.24/25,113.24 = 11,125.08/x - Step 3: Cross multiply
18,201.24x = 25,113.24 × 11,125.08 - Step 4: Simplify right side
18,201.24x = 279,386,804.06 - Step 5: Solve for x
x = 279,386,804.06/18,201.24 - Step 6: Final answer
x = 15,349.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.