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Finding the Fourth Proportional to 22,474.53, 33,710.99 and 6,891.75

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Solution

The fourth proportional to 22,474.53, 33,710.99 and 6,891.75 is: 10,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.53 : 33,710.99 = 6,891.75 : x
  2. Step 2: Convert to fraction form
    22,474.53/33,710.99 = 6,891.75/x
  3. Step 3: Cross multiply
    22,474.53x = 33,710.99 × 6,891.75
  4. Step 4: Simplify right side
    22,474.53x = 232,327,680.87
  5. Step 5: Solve for x
    x = 232,327,680.87/22,474.53
  6. Step 6: Final answer
    x = 10,337.38

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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.