Home / 20,253.33-30,380.00-6,401.25

Finding the Fourth Proportional to 20,253.33, 30,380.00 and 6,401.25

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Solution

The fourth proportional to 20,253.33, 30,380.00 and 6,401.25 is: 9,601.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.33 : 30,380.00 = 6,401.25 : x
  2. Step 2: Convert to fraction form
    20,253.33/30,380.00 = 6,401.25/x
  3. Step 3: Cross multiply
    20,253.33x = 30,380.00 × 6,401.25
  4. Step 4: Simplify right side
    20,253.33x = 194,469,942.99
  5. Step 5: Solve for x
    x = 194,469,942.99/20,253.33
  6. Step 6: Final answer
    x = 9,601.88

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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.