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Finding the Fourth Proportional to 17,049.74, 25,565.31 and 9,161.64

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Solution

The fourth proportional to 17,049.74, 25,565.31 and 9,161.64 is: 13,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,049.74 : 25,565.31 = 9,161.64 : x
  2. Step 2: Convert to fraction form
    17,049.74/25,565.31 = 9,161.64/x
  3. Step 3: Cross multiply
    17,049.74x = 25,565.31 × 9,161.64
  4. Step 4: Simplify right side
    17,049.74x = 234,220,166.71
  5. Step 5: Solve for x
    x = 234,220,166.71/17,049.74
  6. Step 6: Final answer
    x = 13,737.47

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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.