Home / 20,229.75-30,348.04-6,901.35

Finding the Fourth Proportional to 20,229.75, 30,348.04 and 6,901.35

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Solution

The fourth proportional to 20,229.75, 30,348.04 and 6,901.35 is: 10,353.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.75 : 30,348.04 = 6,901.35 : x
  2. Step 2: Convert to fraction form
    20,229.75/30,348.04 = 6,901.35/x
  3. Step 3: Cross multiply
    20,229.75x = 30,348.04 × 6,901.35
  4. Step 4: Simplify right side
    20,229.75x = 209,442,517.85
  5. Step 5: Solve for x
    x = 209,442,517.85/20,229.75
  6. Step 6: Final answer
    x = 10,353.19

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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.