Home / 15,728.97-23,586.13-9,157.04

Finding the Fourth Proportional to 15,728.97, 23,586.13 and 9,157.04

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Solution

The fourth proportional to 15,728.97, 23,586.13 and 9,157.04 is: 13,731.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.97 : 23,586.13 = 9,157.04 : x
  2. Step 2: Convert to fraction form
    15,728.97/23,586.13 = 9,157.04/x
  3. Step 3: Cross multiply
    15,728.97x = 23,586.13 × 9,157.04
  4. Step 4: Simplify right side
    15,728.97x = 215,979,135.86
  5. Step 5: Solve for x
    x = 215,979,135.86/15,728.97
  6. Step 6: Final answer
    x = 13,731.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.