Home / 13,453.26-20,179.88-4,092.44

Finding the Fourth Proportional to 13,453.26, 20,179.88 and 4,092.44

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Solution

The fourth proportional to 13,453.26, 20,179.88 and 4,092.44 is: 6,138.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.26 : 20,179.88 = 4,092.44 : x
  2. Step 2: Convert to fraction form
    13,453.26/20,179.88 = 4,092.44/x
  3. Step 3: Cross multiply
    13,453.26x = 20,179.88 × 4,092.44
  4. Step 4: Simplify right side
    13,453.26x = 82,584,978.62
  5. Step 5: Solve for x
    x = 82,584,978.62/13,453.26
  6. Step 6: Final answer
    x = 6,138.66

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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.