Home / 8,082.15-12,123.23-2,238.76

Finding the Fourth Proportional to 8,082.15, 12,123.23 and 2,238.76

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Solution

The fourth proportional to 8,082.15, 12,123.23 and 2,238.76 is: 3,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082.15 : 12,123.23 = 2,238.76 : x
  2. Step 2: Convert to fraction form
    8,082.15/12,123.23 = 2,238.76/x
  3. Step 3: Cross multiply
    8,082.15x = 12,123.23 × 2,238.76
  4. Step 4: Simplify right side
    8,082.15x = 27,140,991.20
  5. Step 5: Solve for x
    x = 27,140,991.20/8,082.15
  6. Step 6: Final answer
    x = 3,358.14

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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.