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Finding the Fourth Proportional to 15,039.47, 22,565.99 and 6,724.62

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Solution

The fourth proportional to 15,039.47, 22,565.99 and 6,724.62 is: 10,089.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,039.47 : 22,565.99 = 6,724.62 : x
  2. Step 2: Convert to fraction form
    15,039.47/22,565.99 = 6,724.62/x
  3. Step 3: Cross multiply
    15,039.47x = 22,565.99 × 6,724.62
  4. Step 4: Simplify right side
    15,039.47x = 151,747,724.49
  5. Step 5: Solve for x
    x = 151,747,724.49/15,039.47
  6. Step 6: Final answer
    x = 10,089.96

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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.