Home / 13,392.60-20,092.10-6,819.80

Finding the Fourth Proportional to 13,392.60, 20,092.10 and 6,819.80

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Solution

The fourth proportional to 13,392.60, 20,092.10 and 6,819.80 is: 10,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.60 : 20,092.10 = 6,819.80 : x
  2. Step 2: Convert to fraction form
    13,392.60/20,092.10 = 6,819.80/x
  3. Step 3: Cross multiply
    13,392.60x = 20,092.10 × 6,819.80
  4. Step 4: Simplify right side
    13,392.60x = 137,024,103.58
  5. Step 5: Solve for x
    x = 137,024,103.58/13,392.60
  6. Step 6: Final answer
    x = 10,231.33

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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.