Home / 17,553.75-24,221.70-9,997.65

Finding the Fourth Proportional to 17,553.75, 24,221.70 and 9,997.65

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Solution

The fourth proportional to 17,553.75, 24,221.70 and 9,997.65 is: 13,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.75 : 24,221.70 = 9,997.65 : x
  2. Step 2: Convert to fraction form
    17,553.75/24,221.70 = 9,997.65/x
  3. Step 3: Cross multiply
    17,553.75x = 24,221.70 × 9,997.65
  4. Step 4: Simplify right side
    17,553.75x = 242,160,079.01
  5. Step 5: Solve for x
    x = 242,160,079.01/17,553.75
  6. Step 6: Final answer
    x = 13,795.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.