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Finding the Fourth Proportional to 17,684.91, 24,404.49 and 9,726.66

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Solution

The fourth proportional to 17,684.91, 24,404.49 and 9,726.66 is: 13,422.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,684.91 : 24,404.49 = 9,726.66 : x
  2. Step 2: Convert to fraction form
    17,684.91/24,404.49 = 9,726.66/x
  3. Step 3: Cross multiply
    17,684.91x = 24,404.49 × 9,726.66
  4. Step 4: Simplify right side
    17,684.91x = 237,374,176.70
  5. Step 5: Solve for x
    x = 237,374,176.70/17,684.91
  6. Step 6: Final answer
    x = 13,422.41

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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.