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Finding the Fourth Proportional to 17,192.48, 25,780.08 and 7,964.96

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Solution

The fourth proportional to 17,192.48, 25,780.08 and 7,964.96 is: 11,943.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,192.48 : 25,780.08 = 7,964.96 : x
  2. Step 2: Convert to fraction form
    17,192.48/25,780.08 = 7,964.96/x
  3. Step 3: Cross multiply
    17,192.48x = 25,780.08 × 7,964.96
  4. Step 4: Simplify right side
    17,192.48x = 205,337,306.00
  5. Step 5: Solve for x
    x = 205,337,306.00/17,192.48
  6. Step 6: Final answer
    x = 11,943.44

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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.