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Finding the Fourth Proportional to 17,703.97, 26,572.37 and 8,945.04

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Solution

The fourth proportional to 17,703.97, 26,572.37 and 8,945.04 is: 13,425.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.97 : 26,572.37 = 8,945.04 : x
  2. Step 2: Convert to fraction form
    17,703.97/26,572.37 = 8,945.04/x
  3. Step 3: Cross multiply
    17,703.97x = 26,572.37 × 8,945.04
  4. Step 4: Simplify right side
    17,703.97x = 237,690,818.00
  5. Step 5: Solve for x
    x = 237,690,818.00/17,703.97
  6. Step 6: Final answer
    x = 13,425.85

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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.