Home / 11,163.24-15,406.88-6,687.18

Finding the Fourth Proportional to 11,163.24, 15,406.88 and 6,687.18

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Solution

The fourth proportional to 11,163.24, 15,406.88 and 6,687.18 is: 9,229.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,163.24 : 15,406.88 = 6,687.18 : x
  2. Step 2: Convert to fraction form
    11,163.24/15,406.88 = 6,687.18/x
  3. Step 3: Cross multiply
    11,163.24x = 15,406.88 × 6,687.18
  4. Step 4: Simplify right side
    11,163.24x = 103,028,546.36
  5. Step 5: Solve for x
    x = 103,028,546.36/11,163.24
  6. Step 6: Final answer
    x = 9,229.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.