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Finding the Fourth Proportional to 10,169.56, 15,265.13 and 9,007.11

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Solution

The fourth proportional to 10,169.56, 15,265.13 and 9,007.11 is: 13,520.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.56 : 15,265.13 = 9,007.11 : x
  2. Step 2: Convert to fraction form
    10,169.56/15,265.13 = 9,007.11/x
  3. Step 3: Cross multiply
    10,169.56x = 15,265.13 × 9,007.11
  4. Step 4: Simplify right side
    10,169.56x = 137,494,660.04
  5. Step 5: Solve for x
    x = 137,494,660.04/10,169.56
  6. Step 6: Final answer
    x = 13,520.22

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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.