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Finding the Fourth Proportional to 17,791.69, 26,632.17 and 11,204.04

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Solution

The fourth proportional to 17,791.69, 26,632.17 and 11,204.04 is: 16,771.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,791.69 : 26,632.17 = 11,204.04 : x
  2. Step 2: Convert to fraction form
    17,791.69/26,632.17 = 11,204.04/x
  3. Step 3: Cross multiply
    17,791.69x = 26,632.17 × 11,204.04
  4. Step 4: Simplify right side
    17,791.69x = 298,387,897.97
  5. Step 5: Solve for x
    x = 298,387,897.97/17,791.69
  6. Step 6: Final answer
    x = 16,771.19

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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.