Home / 15,144.57-22,713.31-5,781.15

Finding the Fourth Proportional to 15,144.57, 22,713.31 and 5,781.15

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Solution

The fourth proportional to 15,144.57, 22,713.31 and 5,781.15 is: 8,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.57 : 22,713.31 = 5,781.15 : x
  2. Step 2: Convert to fraction form
    15,144.57/22,713.31 = 5,781.15/x
  3. Step 3: Cross multiply
    15,144.57x = 22,713.31 × 5,781.15
  4. Step 4: Simplify right side
    15,144.57x = 131,309,052.11
  5. Step 5: Solve for x
    x = 131,309,052.11/15,144.57
  6. Step 6: Final answer
    x = 8,670.37

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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.