Home / 11,217.06-16,828.26-3,425.82

Finding the Fourth Proportional to 11,217.06, 16,828.26 and 3,425.82

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Solution

The fourth proportional to 11,217.06, 16,828.26 and 3,425.82 is: 5,139.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.06 : 16,828.26 = 3,425.82 : x
  2. Step 2: Convert to fraction form
    11,217.06/16,828.26 = 3,425.82/x
  3. Step 3: Cross multiply
    11,217.06x = 16,828.26 × 3,425.82
  4. Step 4: Simplify right side
    11,217.06x = 57,650,589.67
  5. Step 5: Solve for x
    x = 57,650,589.67/11,217.06
  6. Step 6: Final answer
    x = 5,139.55

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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.