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Finding the Fourth Proportional to 17,266.11, 25,843.47 and 8,934.66

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Solution

The fourth proportional to 17,266.11, 25,843.47 and 8,934.66 is: 13,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,266.11 : 25,843.47 = 8,934.66 : x
  2. Step 2: Convert to fraction form
    17,266.11/25,843.47 = 8,934.66/x
  3. Step 3: Cross multiply
    17,266.11x = 25,843.47 × 8,934.66
  4. Step 4: Simplify right side
    17,266.11x = 230,902,617.67
  5. Step 5: Solve for x
    x = 230,902,617.67/17,266.11
  6. Step 6: Final answer
    x = 13,373.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.