Home / 11,217.82-15,481.92-6,502.36

Finding the Fourth Proportional to 11,217.82, 15,481.92 and 6,502.36

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Solution

The fourth proportional to 11,217.82, 15,481.92 and 6,502.36 is: 8,974.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.82 : 15,481.92 = 6,502.36 : x
  2. Step 2: Convert to fraction form
    11,217.82/15,481.92 = 6,502.36/x
  3. Step 3: Cross multiply
    11,217.82x = 15,481.92 × 6,502.36
  4. Step 4: Simplify right side
    11,217.82x = 100,669,017.33
  5. Step 5: Solve for x
    x = 100,669,017.33/11,217.82
  6. Step 6: Final answer
    x = 8,974.03

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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.