Home / 11,231.82-16,844.28-3,440.40

Finding the Fourth Proportional to 11,231.82, 16,844.28 and 3,440.40

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Solution

The fourth proportional to 11,231.82, 16,844.28 and 3,440.40 is: 5,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,231.82 : 16,844.28 = 3,440.40 : x
  2. Step 2: Convert to fraction form
    11,231.82/16,844.28 = 3,440.40/x
  3. Step 3: Cross multiply
    11,231.82x = 16,844.28 × 3,440.40
  4. Step 4: Simplify right side
    11,231.82x = 57,951,060.91
  5. Step 5: Solve for x
    x = 57,951,060.91/11,231.82
  6. Step 6: Final answer
    x = 5,159.54

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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.