Home / 12,418.34-18,630.11-3,652.52

Finding the Fourth Proportional to 12,418.34, 18,630.11 and 3,652.52

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Solution

The fourth proportional to 12,418.34, 18,630.11 and 3,652.52 is: 5,479.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.34 : 18,630.11 = 3,652.52 : x
  2. Step 2: Convert to fraction form
    12,418.34/18,630.11 = 3,652.52/x
  3. Step 3: Cross multiply
    12,418.34x = 18,630.11 × 3,652.52
  4. Step 4: Simplify right side
    12,418.34x = 68,046,765.36
  5. Step 5: Solve for x
    x = 68,046,765.36/12,418.34
  6. Step 6: Final answer
    x = 5,479.54

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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.