Home / 11,186.20-15,436.05-6,150.29

Finding the Fourth Proportional to 11,186.20, 15,436.05 and 6,150.29

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Solution

The fourth proportional to 11,186.20, 15,436.05 and 6,150.29 is: 8,486.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,186.20 : 15,436.05 = 6,150.29 : x
  2. Step 2: Convert to fraction form
    11,186.20/15,436.05 = 6,150.29/x
  3. Step 3: Cross multiply
    11,186.20x = 15,436.05 × 6,150.29
  4. Step 4: Simplify right side
    11,186.20x = 94,936,183.95
  5. Step 5: Solve for x
    x = 94,936,183.95/11,186.20
  6. Step 6: Final answer
    x = 8,486.90

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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.