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Finding the Fourth Proportional to 17,553.98, 26,330.97 and 5,867.20

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Solution

The fourth proportional to 17,553.98, 26,330.97 and 5,867.20 is: 8,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.98 : 26,330.97 = 5,867.20 : x
  2. Step 2: Convert to fraction form
    17,553.98/26,330.97 = 5,867.20/x
  3. Step 3: Cross multiply
    17,553.98x = 26,330.97 × 5,867.20
  4. Step 4: Simplify right side
    17,553.98x = 154,489,067.18
  5. Step 5: Solve for x
    x = 154,489,067.18/17,553.98
  6. Step 6: Final answer
    x = 8,800.80

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1.5x scale

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.