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Finding the Fourth Proportional to 17,192.70, 25,791.72 and 7,332

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Solution

The fourth proportional to 17,192.70, 25,791.72 and 7,332 is: 10,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,192.70 : 25,791.72 = 7,332 : x
  2. Step 2: Convert to fraction form
    17,192.70/25,791.72 = 7,332/x
  3. Step 3: Cross multiply
    17,192.70x = 25,791.72 × 7,332
  4. Step 4: Simplify right side
    17,192.70x = 189,104,891.04
  5. Step 5: Solve for x
    x = 189,104,891.04/17,192.70
  6. Step 6: Final answer
    x = 10,999.14

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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.