Home / 12,286.60-18,432.68-4,495.41

Finding the Fourth Proportional to 12,286.60, 18,432.68 and 4,495.41

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Solution

The fourth proportional to 12,286.60, 18,432.68 and 4,495.41 is: 6,744.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.60 : 18,432.68 = 4,495.41 : x
  2. Step 2: Convert to fraction form
    12,286.60/18,432.68 = 4,495.41/x
  3. Step 3: Cross multiply
    12,286.60x = 18,432.68 × 4,495.41
  4. Step 4: Simplify right side
    12,286.60x = 82,862,431.52
  5. Step 5: Solve for x
    x = 82,862,431.52/12,286.60
  6. Step 6: Final answer
    x = 6,744.13

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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.