Home / 15,016.72-22,531.38-6,691

Finding the Fourth Proportional to 15,016.72, 22,531.38 and 6,691

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Solution

The fourth proportional to 15,016.72, 22,531.38 and 6,691 is: 10,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,016.72 : 22,531.38 = 6,691 : x
  2. Step 2: Convert to fraction form
    15,016.72/22,531.38 = 6,691/x
  3. Step 3: Cross multiply
    15,016.72x = 22,531.38 × 6,691
  4. Step 4: Simplify right side
    15,016.72x = 150,757,463.58
  5. Step 5: Solve for x
    x = 150,757,463.58/15,016.72
  6. Step 6: Final answer
    x = 10,039.31

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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.