Home / 13,793.54-20,694-3,933.68

Finding the Fourth Proportional to 13,793.54, 20,694 and 3,933.68

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Solution

The fourth proportional to 13,793.54, 20,694 and 3,933.68 is: 5,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793.54 : 20,694 = 3,933.68 : x
  2. Step 2: Convert to fraction form
    13,793.54/20,694 = 3,933.68/x
  3. Step 3: Cross multiply
    13,793.54x = 20,694 × 3,933.68
  4. Step 4: Simplify right side
    13,793.54x = 81,403,573.92
  5. Step 5: Solve for x
    x = 81,403,573.92/13,793.54
  6. Step 6: Final answer
    x = 5,901.57

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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.