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Finding the Fourth Proportional to 17,885.25, 24,680.97 and 9,926.91

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Solution

The fourth proportional to 17,885.25, 24,680.97 and 9,926.91 is: 13,698.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,885.25 : 24,680.97 = 9,926.91 : x
  2. Step 2: Convert to fraction form
    17,885.25/24,680.97 = 9,926.91/x
  3. Step 3: Cross multiply
    17,885.25x = 24,680.97 × 9,926.91
  4. Step 4: Simplify right side
    17,885.25x = 245,005,767.90
  5. Step 5: Solve for x
    x = 245,005,767.90/17,885.25
  6. Step 6: Final answer
    x = 13,698.76

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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.