Home / 10,849.20-16,229.24-8,662.20

Finding the Fourth Proportional to 10,849.20, 16,229.24 and 8,662.20

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Solution

The fourth proportional to 10,849.20, 16,229.24 and 8,662.20 is: 12,957.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,849.20 : 16,229.24 = 8,662.20 : x
  2. Step 2: Convert to fraction form
    10,849.20/16,229.24 = 8,662.20/x
  3. Step 3: Cross multiply
    10,849.20x = 16,229.24 × 8,662.20
  4. Step 4: Simplify right side
    10,849.20x = 140,580,922.73
  5. Step 5: Solve for x
    x = 140,580,922.73/10,849.20
  6. Step 6: Final answer
    x = 12,957.72

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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.