Home / 12,029.28-18,043.92-4,236.24

Finding the Fourth Proportional to 12,029.28, 18,043.92 and 4,236.24

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Solution

The fourth proportional to 12,029.28, 18,043.92 and 4,236.24 is: 6,354.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,029.28 : 18,043.92 = 4,236.24 : x
  2. Step 2: Convert to fraction form
    12,029.28/18,043.92 = 4,236.24/x
  3. Step 3: Cross multiply
    12,029.28x = 18,043.92 × 4,236.24
  4. Step 4: Simplify right side
    12,029.28x = 76,438,375.66
  5. Step 5: Solve for x
    x = 76,438,375.66/12,029.28
  6. Step 6: Final answer
    x = 6,354.36

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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.