Home / 12,324.30-18,486.45-5,751.15

Finding the Fourth Proportional to 12,324.30, 18,486.45 and 5,751.15

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Solution

The fourth proportional to 12,324.30, 18,486.45 and 5,751.15 is: 8,626.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.30 : 18,486.45 = 5,751.15 : x
  2. Step 2: Convert to fraction form
    12,324.30/18,486.45 = 5,751.15/x
  3. Step 3: Cross multiply
    12,324.30x = 18,486.45 × 5,751.15
  4. Step 4: Simplify right side
    12,324.30x = 106,318,346.92
  5. Step 5: Solve for x
    x = 106,318,346.92/12,324.30
  6. Step 6: Final answer
    x = 8,626.73

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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.