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Finding the Fourth Proportional to 22,250.46, 33,368.79 and 6,456.65

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Solution

The fourth proportional to 22,250.46, 33,368.79 and 6,456.65 is: 9,682.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,250.46 : 33,368.79 = 6,456.65 : x
  2. Step 2: Convert to fraction form
    22,250.46/33,368.79 = 6,456.65/x
  3. Step 3: Cross multiply
    22,250.46x = 33,368.79 × 6,456.65
  4. Step 4: Simplify right side
    22,250.46x = 215,450,431.11
  5. Step 5: Solve for x
    x = 215,450,431.11/22,250.46
  6. Step 6: Final answer
    x = 9,682.97

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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.