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Finding the Fourth Proportional to 17,867.73, 24,655.85 and 9,909.93

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Solution

The fourth proportional to 17,867.73, 24,655.85 and 9,909.93 is: 13,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.73 : 24,655.85 = 9,909.93 : x
  2. Step 2: Convert to fraction form
    17,867.73/24,655.85 = 9,909.93/x
  3. Step 3: Cross multiply
    17,867.73x = 24,655.85 × 9,909.93
  4. Step 4: Simplify right side
    17,867.73x = 244,337,574.76
  5. Step 5: Solve for x
    x = 244,337,574.76/17,867.73
  6. Step 6: Final answer
    x = 13,674.80

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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.