Home / 12,232.20-18,324.72-7,305.78

Finding the Fourth Proportional to 12,232.20, 18,324.72 and 7,305.78

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Solution

The fourth proportional to 12,232.20, 18,324.72 and 7,305.78 is: 10,944.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,232.20 : 18,324.72 = 7,305.78 : x
  2. Step 2: Convert to fraction form
    12,232.20/18,324.72 = 7,305.78/x
  3. Step 3: Cross multiply
    12,232.20x = 18,324.72 × 7,305.78
  4. Step 4: Simplify right side
    12,232.20x = 133,876,372.88
  5. Step 5: Solve for x
    x = 133,876,372.88/12,232.20
  6. Step 6: Final answer
    x = 10,944.59

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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.