Home / 12,207.56-18,311.37-3,442.52

Finding the Fourth Proportional to 12,207.56, 18,311.37 and 3,442.52

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Solution

The fourth proportional to 12,207.56, 18,311.37 and 3,442.52 is: 5,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.56 : 18,311.37 = 3,442.52 : x
  2. Step 2: Convert to fraction form
    12,207.56/18,311.37 = 3,442.52/x
  3. Step 3: Cross multiply
    12,207.56x = 18,311.37 × 3,442.52
  4. Step 4: Simplify right side
    12,207.56x = 63,037,257.45
  5. Step 5: Solve for x
    x = 63,037,257.45/12,207.56
  6. Step 6: Final answer
    x = 5,163.79

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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.