Home / 18,231.06-25,158.87-9,847.56

Finding the Fourth Proportional to 18,231.06, 25,158.87 and 9,847.56

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Solution

The fourth proportional to 18,231.06, 25,158.87 and 9,847.56 is: 13,589.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.06 : 25,158.87 = 9,847.56 : x
  2. Step 2: Convert to fraction form
    18,231.06/25,158.87 = 9,847.56/x
  3. Step 3: Cross multiply
    18,231.06x = 25,158.87 × 9,847.56
  4. Step 4: Simplify right side
    18,231.06x = 247,753,544.75
  5. Step 5: Solve for x
    x = 247,753,544.75/18,231.06
  6. Step 6: Final answer
    x = 13,589.64

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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.