Home / 12,083.60-18,125.22-3,318.52

Finding the Fourth Proportional to 12,083.60, 18,125.22 and 3,318.52

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Solution

The fourth proportional to 12,083.60, 18,125.22 and 3,318.52 is: 4,977.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.60 : 18,125.22 = 3,318.52 : x
  2. Step 2: Convert to fraction form
    12,083.60/18,125.22 = 3,318.52/x
  3. Step 3: Cross multiply
    12,083.60x = 18,125.22 × 3,318.52
  4. Step 4: Simplify right side
    12,083.60x = 60,148,905.07
  5. Step 5: Solve for x
    x = 60,148,905.07/12,083.60
  6. Step 6: Final answer
    x = 4,977.73

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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.