Home / 11,213.31-16,822.44-3,422.73

Finding the Fourth Proportional to 11,213.31, 16,822.44 and 3,422.73

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Solution

The fourth proportional to 11,213.31, 16,822.44 and 3,422.73 is: 5,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.31 : 16,822.44 = 3,422.73 : x
  2. Step 2: Convert to fraction form
    11,213.31/16,822.44 = 3,422.73/x
  3. Step 3: Cross multiply
    11,213.31x = 16,822.44 × 3,422.73
  4. Step 4: Simplify right side
    11,213.31x = 57,578,670.06
  5. Step 5: Solve for x
    x = 57,578,670.06/11,213.31
  6. Step 6: Final answer
    x = 5,134.85

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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.