Home / 20,229.35-30,333.04-9,123.04

Finding the Fourth Proportional to 20,229.35, 30,333.04 and 9,123.04

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Solution

The fourth proportional to 20,229.35, 30,333.04 and 9,123.04 is: 13,679.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.35 : 30,333.04 = 9,123.04 : x
  2. Step 2: Convert to fraction form
    20,229.35/30,333.04 = 9,123.04/x
  3. Step 3: Cross multiply
    20,229.35x = 30,333.04 × 9,123.04
  4. Step 4: Simplify right side
    20,229.35x = 276,729,537.24
  5. Step 5: Solve for x
    x = 276,729,537.24/20,229.35
  6. Step 6: Final answer
    x = 13,679.61

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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.