Home / 11,217.33-16,825.38-3,425.54

Finding the Fourth Proportional to 11,217.33, 16,825.38 and 3,425.54

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Solution

The fourth proportional to 11,217.33, 16,825.38 and 3,425.54 is: 5,138.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.33 : 16,825.38 = 3,425.54 : x
  2. Step 2: Convert to fraction form
    11,217.33/16,825.38 = 3,425.54/x
  3. Step 3: Cross multiply
    11,217.33x = 16,825.38 × 3,425.54
  4. Step 4: Simplify right side
    11,217.33x = 57,635,928.08
  5. Step 5: Solve for x
    x = 57,635,928.08/11,217.33
  6. Step 6: Final answer
    x = 5,138.11

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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.