Home / 11,218.24-16,822.44-3,425.20

Finding the Fourth Proportional to 11,218.24, 16,822.44 and 3,425.20

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Solution

The fourth proportional to 11,218.24, 16,822.44 and 3,425.20 is: 5,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.24 : 16,822.44 = 3,425.20 : x
  2. Step 2: Convert to fraction form
    11,218.24/16,822.44 = 3,425.20/x
  3. Step 3: Cross multiply
    11,218.24x = 16,822.44 × 3,425.20
  4. Step 4: Simplify right side
    11,218.24x = 57,620,221.49
  5. Step 5: Solve for x
    x = 57,620,221.49/11,218.24
  6. Step 6: Final answer
    x = 5,136.30

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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.