Home / 12,340.38-18,496.80-4,934.56

Finding the Fourth Proportional to 12,340.38, 18,496.80 and 4,934.56

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Solution

The fourth proportional to 12,340.38, 18,496.80 and 4,934.56 is: 7,396.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,340.38 : 18,496.80 = 4,934.56 : x
  2. Step 2: Convert to fraction form
    12,340.38/18,496.80 = 4,934.56/x
  3. Step 3: Cross multiply
    12,340.38x = 18,496.80 × 4,934.56
  4. Step 4: Simplify right side
    12,340.38x = 91,273,569.41
  5. Step 5: Solve for x
    x = 91,273,569.41/12,340.38
  6. Step 6: Final answer
    x = 7,396.33

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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.