Home / 10,367.38-15,550.86-3,791.80

Finding the Fourth Proportional to 10,367.38, 15,550.86 and 3,791.80

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Solution

The fourth proportional to 10,367.38, 15,550.86 and 3,791.80 is: 5,687.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.38 : 15,550.86 = 3,791.80 : x
  2. Step 2: Convert to fraction form
    10,367.38/15,550.86 = 3,791.80/x
  3. Step 3: Cross multiply
    10,367.38x = 15,550.86 × 3,791.80
  4. Step 4: Simplify right side
    10,367.38x = 58,965,750.95
  5. Step 5: Solve for x
    x = 58,965,750.95/10,367.38
  6. Step 6: Final answer
    x = 5,687.62

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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.