Home / 11,187.52-16,778.94-3,394.60

Finding the Fourth Proportional to 11,187.52, 16,778.94 and 3,394.60

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Solution

The fourth proportional to 11,187.52, 16,778.94 and 3,394.60 is: 5,091.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.52 : 16,778.94 = 3,394.60 : x
  2. Step 2: Convert to fraction form
    11,187.52/16,778.94 = 3,394.60/x
  3. Step 3: Cross multiply
    11,187.52x = 16,778.94 × 3,394.60
  4. Step 4: Simplify right side
    11,187.52x = 56,957,789.72
  5. Step 5: Solve for x
    x = 56,957,789.72/11,187.52
  6. Step 6: Final answer
    x = 5,091.19

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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.