Home / 12,528.38-18,793.68-3,294.38

Finding the Fourth Proportional to 12,528.38, 18,793.68 and 3,294.38

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Solution

The fourth proportional to 12,528.38, 18,793.68 and 3,294.38 is: 4,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,528.38 : 18,793.68 = 3,294.38 : x
  2. Step 2: Convert to fraction form
    12,528.38/18,793.68 = 3,294.38/x
  3. Step 3: Cross multiply
    12,528.38x = 18,793.68 × 3,294.38
  4. Step 4: Simplify right side
    12,528.38x = 61,913,523.52
  5. Step 5: Solve for x
    x = 61,913,523.52/12,528.38
  6. Step 6: Final answer
    x = 4,941.86

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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.