Home / 13,846.43-20,780.57-5,083.85

Finding the Fourth Proportional to 13,846.43, 20,780.57 and 5,083.85

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Solution

The fourth proportional to 13,846.43, 20,780.57 and 5,083.85 is: 7,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,846.43 : 20,780.57 = 5,083.85 : x
  2. Step 2: Convert to fraction form
    13,846.43/20,780.57 = 5,083.85/x
  3. Step 3: Cross multiply
    13,846.43x = 20,780.57 × 5,083.85
  4. Step 4: Simplify right side
    13,846.43x = 105,645,171.47
  5. Step 5: Solve for x
    x = 105,645,171.47/13,846.43
  6. Step 6: Final answer
    x = 7,629.78

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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.