Home / 10,082.05-15,110.30-4,231.87

Finding the Fourth Proportional to 10,082.05, 15,110.30 and 4,231.87

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Solution

The fourth proportional to 10,082.05, 15,110.30 and 4,231.87 is: 6,342.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,082.05 : 15,110.30 = 4,231.87 : x
  2. Step 2: Convert to fraction form
    10,082.05/15,110.30 = 4,231.87/x
  3. Step 3: Cross multiply
    10,082.05x = 15,110.30 × 4,231.87
  4. Step 4: Simplify right side
    10,082.05x = 63,944,804.10
  5. Step 5: Solve for x
    x = 63,944,804.10/10,082.05
  6. Step 6: Final answer
    x = 6,342.44

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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.