Home / 20,338.76-30,496.97-6,294.88

Finding the Fourth Proportional to 20,338.76, 30,496.97 and 6,294.88

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Solution

The fourth proportional to 20,338.76, 30,496.97 and 6,294.88 is: 9,438.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,338.76 : 30,496.97 = 6,294.88 : x
  2. Step 2: Convert to fraction form
    20,338.76/30,496.97 = 6,294.88/x
  3. Step 3: Cross multiply
    20,338.76x = 30,496.97 × 6,294.88
  4. Step 4: Simplify right side
    20,338.76x = 191,974,766.51
  5. Step 5: Solve for x
    x = 191,974,766.51/20,338.76
  6. Step 6: Final answer
    x = 9,438.86

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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.