Home / 20,204.13-30,306.20-6,353.13

Finding the Fourth Proportional to 20,204.13, 30,306.20 and 6,353.13

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Solution

The fourth proportional to 20,204.13, 30,306.20 and 6,353.13 is: 9,529.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,204.13 : 30,306.20 = 6,353.13 : x
  2. Step 2: Convert to fraction form
    20,204.13/30,306.20 = 6,353.13/x
  3. Step 3: Cross multiply
    20,204.13x = 30,306.20 × 6,353.13
  4. Step 4: Simplify right side
    20,204.13x = 192,539,228.41
  5. Step 5: Solve for x
    x = 192,539,228.41/20,204.13
  6. Step 6: Final answer
    x = 9,529.70

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Double scale
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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.