Home / 12,062.38-18,091.66-7,380.76

Finding the Fourth Proportional to 12,062.38, 18,091.66 and 7,380.76

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Solution

The fourth proportional to 12,062.38, 18,091.66 and 7,380.76 is: 11,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062.38 : 18,091.66 = 7,380.76 : x
  2. Step 2: Convert to fraction form
    12,062.38/18,091.66 = 7,380.76/x
  3. Step 3: Cross multiply
    12,062.38x = 18,091.66 × 7,380.76
  4. Step 4: Simplify right side
    12,062.38x = 133,530,200.46
  5. Step 5: Solve for x
    x = 133,530,200.46/12,062.38
  6. Step 6: Final answer
    x = 11,069.97

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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.