Home / 12,339.38-18,495.30-4,933.56

Finding the Fourth Proportional to 12,339.38, 18,495.30 and 4,933.56

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Solution

The fourth proportional to 12,339.38, 18,495.30 and 4,933.56 is: 7,394.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,339.38 : 18,495.30 = 4,933.56 : x
  2. Step 2: Convert to fraction form
    12,339.38/18,495.30 = 4,933.56/x
  3. Step 3: Cross multiply
    12,339.38x = 18,495.30 × 4,933.56
  4. Step 4: Simplify right side
    12,339.38x = 91,247,672.27
  5. Step 5: Solve for x
    x = 91,247,672.27/12,339.38
  6. Step 6: Final answer
    x = 7,394.83

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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.