Home / 13,984.92-20,977.44-6,193.80

Finding the Fourth Proportional to 13,984.92, 20,977.44 and 6,193.80

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Solution

The fourth proportional to 13,984.92, 20,977.44 and 6,193.80 is: 9,290.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.92 : 20,977.44 = 6,193.80 : x
  2. Step 2: Convert to fraction form
    13,984.92/20,977.44 = 6,193.80/x
  3. Step 3: Cross multiply
    13,984.92x = 20,977.44 × 6,193.80
  4. Step 4: Simplify right side
    13,984.92x = 129,930,067.87
  5. Step 5: Solve for x
    x = 129,930,067.87/13,984.92
  6. Step 6: Final answer
    x = 9,290.73

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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.