Home / 13,847.26-20,767.92-3,984.70

Finding the Fourth Proportional to 13,847.26, 20,767.92 and 3,984.70

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Solution

The fourth proportional to 13,847.26, 20,767.92 and 3,984.70 is: 5,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,847.26 : 20,767.92 = 3,984.70 : x
  2. Step 2: Convert to fraction form
    13,847.26/20,767.92 = 3,984.70/x
  3. Step 3: Cross multiply
    13,847.26x = 20,767.92 × 3,984.70
  4. Step 4: Simplify right side
    13,847.26x = 82,753,930.82
  5. Step 5: Solve for x
    x = 82,753,930.82/13,847.26
  6. Step 6: Final answer
    x = 5,976.20

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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.