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Finding the Fourth Proportional to 22,751.08, 34,124.90 and 7,756.97

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Solution

The fourth proportional to 22,751.08, 34,124.90 and 7,756.97 is: 11,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.08 : 34,124.90 = 7,756.97 : x
  2. Step 2: Convert to fraction form
    22,751.08/34,124.90 = 7,756.97/x
  3. Step 3: Cross multiply
    22,751.08x = 34,124.90 × 7,756.97
  4. Step 4: Simplify right side
    22,751.08x = 264,705,616.14
  5. Step 5: Solve for x
    x = 264,705,616.14/22,751.08
  6. Step 6: Final answer
    x = 11,634.86

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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.