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Finding the Fourth Proportional to 15,197.70, 22,810.05 and 8,949.90

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Solution

The fourth proportional to 15,197.70, 22,810.05 and 8,949.90 is: 13,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,197.70 : 22,810.05 = 8,949.90 : x
  2. Step 2: Convert to fraction form
    15,197.70/22,810.05 = 8,949.90/x
  3. Step 3: Cross multiply
    15,197.70x = 22,810.05 × 8,949.90
  4. Step 4: Simplify right side
    15,197.70x = 204,147,666.50
  5. Step 5: Solve for x
    x = 204,147,666.50/15,197.70
  6. Step 6: Final answer
    x = 13,432.80

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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.