Home / 11,168.20-16,752.30-7,231.60

Finding the Fourth Proportional to 11,168.20, 16,752.30 and 7,231.60

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Solution

The fourth proportional to 11,168.20, 16,752.30 and 7,231.60 is: 10,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.20 : 16,752.30 = 7,231.60 : x
  2. Step 2: Convert to fraction form
    11,168.20/16,752.30 = 7,231.60/x
  3. Step 3: Cross multiply
    11,168.20x = 16,752.30 × 7,231.60
  4. Step 4: Simplify right side
    11,168.20x = 121,145,932.68
  5. Step 5: Solve for x
    x = 121,145,932.68/11,168.20
  6. Step 6: Final answer
    x = 10,847.40

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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.