Home / 11,207.52-16,778.56-8,076.48

Finding the Fourth Proportional to 11,207.52, 16,778.56 and 8,076.48

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Solution

The fourth proportional to 11,207.52, 16,778.56 and 8,076.48 is: 12,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.52 : 16,778.56 = 8,076.48 : x
  2. Step 2: Convert to fraction form
    11,207.52/16,778.56 = 8,076.48/x
  3. Step 3: Cross multiply
    11,207.52x = 16,778.56 × 8,076.48
  4. Step 4: Simplify right side
    11,207.52x = 135,511,704.27
  5. Step 5: Solve for x
    x = 135,511,704.27/11,207.52
  6. Step 6: Final answer
    x = 12,091.14

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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.