Home / 11,517.11-15,893.47-6,481.34

Finding the Fourth Proportional to 11,517.11, 15,893.47 and 6,481.34

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Solution

The fourth proportional to 11,517.11, 15,893.47 and 6,481.34 is: 8,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.11 : 15,893.47 = 6,481.34 : x
  2. Step 2: Convert to fraction form
    11,517.11/15,893.47 = 6,481.34/x
  3. Step 3: Cross multiply
    11,517.11x = 15,893.47 × 6,481.34
  4. Step 4: Simplify right side
    11,517.11x = 103,010,982.85
  5. Step 5: Solve for x
    x = 103,010,982.85/11,517.11
  6. Step 6: Final answer
    x = 8,944.17

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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.