Home / 11,190.60-15,441.82-6,474

Finding the Fourth Proportional to 11,190.60, 15,441.82 and 6,474

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Solution

The fourth proportional to 11,190.60, 15,441.82 and 6,474 is: 8,933.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.60 : 15,441.82 = 6,474 : x
  2. Step 2: Convert to fraction form
    11,190.60/15,441.82 = 6,474/x
  3. Step 3: Cross multiply
    11,190.60x = 15,441.82 × 6,474
  4. Step 4: Simplify right side
    11,190.60x = 99,970,326.50
  5. Step 5: Solve for x
    x = 99,970,326.50/11,190.60
  6. Step 6: Final answer
    x = 8,933.42

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Why These Related Problems?

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