Home / 11,214.44-16,824.32-3,422.76

Finding the Fourth Proportional to 11,214.44, 16,824.32 and 3,422.76

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Solution

The fourth proportional to 11,214.44, 16,824.32 and 3,422.76 is: 5,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,214.44 : 16,824.32 = 3,422.76 : x
  2. Step 2: Convert to fraction form
    11,214.44/16,824.32 = 3,422.76/x
  3. Step 3: Cross multiply
    11,214.44x = 16,824.32 × 3,422.76
  4. Step 4: Simplify right side
    11,214.44x = 57,585,609.52
  5. Step 5: Solve for x
    x = 57,585,609.52/11,214.44
  6. Step 6: Final answer
    x = 5,134.95

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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.