Home / 10,265.27-15,400.20-3,245.69

Finding the Fourth Proportional to 10,265.27, 15,400.20 and 3,245.69

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Solution

The fourth proportional to 10,265.27, 15,400.20 and 3,245.69 is: 4,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.27 : 15,400.20 = 3,245.69 : x
  2. Step 2: Convert to fraction form
    10,265.27/15,400.20 = 3,245.69/x
  3. Step 3: Cross multiply
    10,265.27x = 15,400.20 × 3,245.69
  4. Step 4: Simplify right side
    10,265.27x = 49,984,198.14
  5. Step 5: Solve for x
    x = 49,984,198.14/10,265.27
  6. Step 6: Final answer
    x = 4,869.26

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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.