Home / 10,540.67-15,811.91-4,301.12

Finding the Fourth Proportional to 10,540.67, 15,811.91 and 4,301.12

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Solution

The fourth proportional to 10,540.67, 15,811.91 and 4,301.12 is: 6,452.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.67 : 15,811.91 = 4,301.12 : x
  2. Step 2: Convert to fraction form
    10,540.67/15,811.91 = 4,301.12/x
  3. Step 3: Cross multiply
    10,540.67x = 15,811.91 × 4,301.12
  4. Step 4: Simplify right side
    10,540.67x = 68,008,821.77
  5. Step 5: Solve for x
    x = 68,008,821.77/10,540.67
  6. Step 6: Final answer
    x = 6,452.04

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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.