Home / 22,446.38-33,670.60-8,402.78

Finding the Fourth Proportional to 22,446.38, 33,670.60 and 8,402.78

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Solution

The fourth proportional to 22,446.38, 33,670.60 and 8,402.78 is: 12,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.38 : 33,670.60 = 8,402.78 : x
  2. Step 2: Convert to fraction form
    22,446.38/33,670.60 = 8,402.78/x
  3. Step 3: Cross multiply
    22,446.38x = 33,670.60 × 8,402.78
  4. Step 4: Simplify right side
    22,446.38x = 282,926,707.44
  5. Step 5: Solve for x
    x = 282,926,707.44/22,446.38
  6. Step 6: Final answer
    x = 12,604.56

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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.