Home / 11,082.38-16,628.13-8,135.87

Finding the Fourth Proportional to 11,082.38, 16,628.13 and 8,135.87

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Solution

The fourth proportional to 11,082.38, 16,628.13 and 8,135.87 is: 12,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.38 : 16,628.13 = 8,135.87 : x
  2. Step 2: Convert to fraction form
    11,082.38/16,628.13 = 8,135.87/x
  3. Step 3: Cross multiply
    11,082.38x = 16,628.13 × 8,135.87
  4. Step 4: Simplify right side
    11,082.38x = 135,284,220.88
  5. Step 5: Solve for x
    x = 135,284,220.88/11,082.38
  6. Step 6: Final answer
    x = 12,207.15

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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.