Home / 13,958.31-20,942.33-6,568.41

Finding the Fourth Proportional to 13,958.31, 20,942.33 and 6,568.41

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Solution

The fourth proportional to 13,958.31, 20,942.33 and 6,568.41 is: 9,854.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.31 : 20,942.33 = 6,568.41 : x
  2. Step 2: Convert to fraction form
    13,958.31/20,942.33 = 6,568.41/x
  3. Step 3: Cross multiply
    13,958.31x = 20,942.33 × 6,568.41
  4. Step 4: Simplify right side
    13,958.31x = 137,557,776.95
  5. Step 5: Solve for x
    x = 137,557,776.95/13,958.31
  6. Step 6: Final answer
    x = 9,854.90

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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.