Home / 13,306.92-18,363.60-8,001.82

Finding the Fourth Proportional to 13,306.92, 18,363.60 and 8,001.82

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Solution

The fourth proportional to 13,306.92, 18,363.60 and 8,001.82 is: 11,042.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,306.92 : 18,363.60 = 8,001.82 : x
  2. Step 2: Convert to fraction form
    13,306.92/18,363.60 = 8,001.82/x
  3. Step 3: Cross multiply
    13,306.92x = 18,363.60 × 8,001.82
  4. Step 4: Simplify right side
    13,306.92x = 146,942,221.75
  5. Step 5: Solve for x
    x = 146,942,221.75/13,306.92
  6. Step 6: Final answer
    x = 11,042.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.