Finding the Fourth Proportional to 18,247.26, 25,181.62 and 11,177.58
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Solution
The fourth proportional to 18,247.26, 25,181.62 and 11,177.58 is: 15,425.31
Step by Step Solution
- Step 1: Write the proportion equation
18,247.26 : 25,181.62 = 11,177.58 : x - Step 2: Convert to fraction form
18,247.26/25,181.62 = 11,177.58/x - Step 3: Cross multiply
18,247.26x = 25,181.62 × 11,177.58 - Step 4: Simplify right side
18,247.26x = 281,469,572.08 - Step 5: Solve for x
x = 281,469,572.08/18,247.26 - Step 6: Final answer
x = 15,425.31
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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.