Home / 13,650.26-20,475.38-3,789.62

Finding the Fourth Proportional to 13,650.26, 20,475.38 and 3,789.62

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Solution

The fourth proportional to 13,650.26, 20,475.38 and 3,789.62 is: 5,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,650.26 : 20,475.38 = 3,789.62 : x
  2. Step 2: Convert to fraction form
    13,650.26/20,475.38 = 3,789.62/x
  3. Step 3: Cross multiply
    13,650.26x = 20,475.38 × 3,789.62
  4. Step 4: Simplify right side
    13,650.26x = 77,593,893.44
  5. Step 5: Solve for x
    x = 77,593,893.44/13,650.26
  6. Step 6: Final answer
    x = 5,684.43

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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.