Home / 15,229.98-22,812.57-8,652.78

Finding the Fourth Proportional to 15,229.98, 22,812.57 and 8,652.78

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Solution

The fourth proportional to 15,229.98, 22,812.57 and 8,652.78 is: 12,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,229.98 : 22,812.57 = 8,652.78 : x
  2. Step 2: Convert to fraction form
    15,229.98/22,812.57 = 8,652.78/x
  3. Step 3: Cross multiply
    15,229.98x = 22,812.57 × 8,652.78
  4. Step 4: Simplify right side
    15,229.98x = 197,392,149.44
  5. Step 5: Solve for x
    x = 197,392,149.44/15,229.98
  6. Step 6: Final answer
    x = 12,960.76

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1.5x scale

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.