Home / 11,217.44-16,828.82-3,425.76

Finding the Fourth Proportional to 11,217.44, 16,828.82 and 3,425.76

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Solution

The fourth proportional to 11,217.44, 16,828.82 and 3,425.76 is: 5,139.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.44 : 16,828.82 = 3,425.76 : x
  2. Step 2: Convert to fraction form
    11,217.44/16,828.82 = 3,425.76/x
  3. Step 3: Cross multiply
    11,217.44x = 16,828.82 × 3,425.76
  4. Step 4: Simplify right side
    11,217.44x = 57,651,498.40
  5. Step 5: Solve for x
    x = 57,651,498.40/11,217.44
  6. Step 6: Final answer
    x = 5,139.45

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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.