Home / 12,204.60-18,306.90-11,329.80

Finding the Fourth Proportional to 12,204.60, 18,306.90 and 11,329.80

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Solution

The fourth proportional to 12,204.60, 18,306.90 and 11,329.80 is: 16,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,204.60 : 18,306.90 = 11,329.80 : x
  2. Step 2: Convert to fraction form
    12,204.60/18,306.90 = 11,329.80/x
  3. Step 3: Cross multiply
    12,204.60x = 18,306.90 × 11,329.80
  4. Step 4: Simplify right side
    12,204.60x = 207,413,515.62
  5. Step 5: Solve for x
    x = 207,413,515.62/12,204.60
  6. Step 6: Final answer
    x = 16,994.70

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Similar ratio
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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.