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Finding the Fourth Proportional to 18,117, 25,008.26 and 10,565.69

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Solution

The fourth proportional to 18,117, 25,008.26 and 10,565.69 is: 14,584.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117 : 25,008.26 = 10,565.69 : x
  2. Step 2: Convert to fraction form
    18,117/25,008.26 = 10,565.69/x
  3. Step 3: Cross multiply
    18,117x = 25,008.26 × 10,565.69
  4. Step 4: Simplify right side
    18,117x = 264,229,344.73
  5. Step 5: Solve for x
    x = 264,229,344.73/18,117
  6. Step 6: Final answer
    x = 14,584.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.