Home / 10,082.10-15,123.15-3,508.28

Finding the Fourth Proportional to 10,082.10, 15,123.15 and 3,508.28

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Solution

The fourth proportional to 10,082.10, 15,123.15 and 3,508.28 is: 5,262.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.10 : 15,123.15 = 3,508.28 : x
  2. Step 2: Convert to fraction form
    10,082.10/15,123.15 = 3,508.28/x
  3. Step 3: Cross multiply
    10,082.10x = 15,123.15 × 3,508.28
  4. Step 4: Simplify right side
    10,082.10x = 53,056,244.68
  5. Step 5: Solve for x
    x = 53,056,244.68/10,082.10
  6. Step 6: Final answer
    x = 5,262.42

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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.