Home / 13,382.40-20,067.36-5,986.92

Finding the Fourth Proportional to 13,382.40, 20,067.36 and 5,986.92

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Solution

The fourth proportional to 13,382.40, 20,067.36 and 5,986.92 is: 8,977.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,382.40 : 20,067.36 = 5,986.92 : x
  2. Step 2: Convert to fraction form
    13,382.40/20,067.36 = 5,986.92/x
  3. Step 3: Cross multiply
    13,382.40x = 20,067.36 × 5,986.92
  4. Step 4: Simplify right side
    13,382.40x = 120,141,678.93
  5. Step 5: Solve for x
    x = 120,141,678.93/13,382.40
  6. Step 6: Final answer
    x = 8,977.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.