Home / 22,286.20-33,438.30-9,808.60

Finding the Fourth Proportional to 22,286.20, 33,438.30 and 9,808.60

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Solution

The fourth proportional to 22,286.20, 33,438.30 and 9,808.60 is: 14,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.20 : 33,438.30 = 9,808.60 : x
  2. Step 2: Convert to fraction form
    22,286.20/33,438.30 = 9,808.60/x
  3. Step 3: Cross multiply
    22,286.20x = 33,438.30 × 9,808.60
  4. Step 4: Simplify right side
    22,286.20x = 327,982,909.38
  5. Step 5: Solve for x
    x = 327,982,909.38/22,286.20
  6. Step 6: Final answer
    x = 14,716.86

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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.