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Finding the Fourth Proportional to 17,693.52, 26,556.69 and 8,934.59

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Solution

The fourth proportional to 17,693.52, 26,556.69 and 8,934.59 is: 13,410.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,693.52 : 26,556.69 = 8,934.59 : x
  2. Step 2: Convert to fraction form
    17,693.52/26,556.69 = 8,934.59/x
  3. Step 3: Cross multiply
    17,693.52x = 26,556.69 × 8,934.59
  4. Step 4: Simplify right side
    17,693.52x = 237,273,004.12
  5. Step 5: Solve for x
    x = 237,273,004.12/17,693.52
  6. Step 6: Final answer
    x = 13,410.16

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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.