Home / 10,243.38-15,367.50-3,317.88

Finding the Fourth Proportional to 10,243.38, 15,367.50 and 3,317.88

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Solution

The fourth proportional to 10,243.38, 15,367.50 and 3,317.88 is: 4,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.38 : 15,367.50 = 3,317.88 : x
  2. Step 2: Convert to fraction form
    10,243.38/15,367.50 = 3,317.88/x
  3. Step 3: Cross multiply
    10,243.38x = 15,367.50 × 3,317.88
  4. Step 4: Simplify right side
    10,243.38x = 50,987,520.90
  5. Step 5: Solve for x
    x = 50,987,520.90/10,243.38
  6. Step 6: Final answer
    x = 4,977.61

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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.