Home / 12,433.13-18,649.69-4,225.13

Finding the Fourth Proportional to 12,433.13, 18,649.69 and 4,225.13

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Solution

The fourth proportional to 12,433.13, 18,649.69 and 4,225.13 is: 6,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.13 : 18,649.69 = 4,225.13 : x
  2. Step 2: Convert to fraction form
    12,433.13/18,649.69 = 4,225.13/x
  3. Step 3: Cross multiply
    12,433.13x = 18,649.69 × 4,225.13
  4. Step 4: Simplify right side
    12,433.13x = 78,797,260.90
  5. Step 5: Solve for x
    x = 78,797,260.90/12,433.13
  6. Step 6: Final answer
    x = 6,337.69

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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.