Home / 12,230.24-18,348.12-4,439.12

Finding the Fourth Proportional to 12,230.24, 18,348.12 and 4,439.12

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Solution

The fourth proportional to 12,230.24, 18,348.12 and 4,439.12 is: 6,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.24 : 18,348.12 = 4,439.12 : x
  2. Step 2: Convert to fraction form
    12,230.24/18,348.12 = 4,439.12/x
  3. Step 3: Cross multiply
    12,230.24x = 18,348.12 × 4,439.12
  4. Step 4: Simplify right side
    12,230.24x = 81,449,506.45
  5. Step 5: Solve for x
    x = 81,449,506.45/12,230.24
  6. Step 6: Final answer
    x = 6,659.68

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Double scale
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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.