Home / 9,324.20-13,986.30-8,813.90

Finding the Fourth Proportional to 9,324.20, 13,986.30 and 8,813.90

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Solution

The fourth proportional to 9,324.20, 13,986.30 and 8,813.90 is: 13,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.20 : 13,986.30 = 8,813.90 : x
  2. Step 2: Convert to fraction form
    9,324.20/13,986.30 = 8,813.90/x
  3. Step 3: Cross multiply
    9,324.20x = 13,986.30 × 8,813.90
  4. Step 4: Simplify right side
    9,324.20x = 123,273,849.57
  5. Step 5: Solve for x
    x = 123,273,849.57/9,324.20
  6. Step 6: Final answer
    x = 13,220.85

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Similar ratio
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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.