Home / 20,230.38-30,351.08-6,190.10

Finding the Fourth Proportional to 20,230.38, 30,351.08 and 6,190.10

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Solution

The fourth proportional to 20,230.38, 30,351.08 and 6,190.10 is: 9,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.38 : 30,351.08 = 6,190.10 : x
  2. Step 2: Convert to fraction form
    20,230.38/30,351.08 = 6,190.10/x
  3. Step 3: Cross multiply
    20,230.38x = 30,351.08 × 6,190.10
  4. Step 4: Simplify right side
    20,230.38x = 187,876,220.31
  5. Step 5: Solve for x
    x = 187,876,220.31/20,230.38
  6. Step 6: Final answer
    x = 9,286.84

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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.