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Finding the Fourth Proportional to 17,908.97, 24,706.43 and 11,934.82

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Solution

The fourth proportional to 17,908.97, 24,706.43 and 11,934.82 is: 16,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,908.97 : 24,706.43 = 11,934.82 : x
  2. Step 2: Convert to fraction form
    17,908.97/24,706.43 = 11,934.82/x
  3. Step 3: Cross multiply
    17,908.97x = 24,706.43 × 11,934.82
  4. Step 4: Simplify right side
    17,908.97x = 294,866,794.89
  5. Step 5: Solve for x
    x = 294,866,794.89/17,908.97
  6. Step 6: Final answer
    x = 16,464.75

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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.