Home / 20,200.38-30,306.33-6,876.30

Finding the Fourth Proportional to 20,200.38, 30,306.33 and 6,876.30

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Solution

The fourth proportional to 20,200.38, 30,306.33 and 6,876.30 is: 10,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,200.38 : 30,306.33 = 6,876.30 : x
  2. Step 2: Convert to fraction form
    20,200.38/30,306.33 = 6,876.30/x
  3. Step 3: Cross multiply
    20,200.38x = 30,306.33 × 6,876.30
  4. Step 4: Simplify right side
    20,200.38x = 208,395,416.98
  5. Step 5: Solve for x
    x = 208,395,416.98/20,200.38
  6. Step 6: Final answer
    x = 10,316.41

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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.