Home / 11,944.20-17,915.01-3,180

Finding the Fourth Proportional to 11,944.20, 17,915.01 and 3,180

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Solution

The fourth proportional to 11,944.20, 17,915.01 and 3,180 is: 4,769.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.20 : 17,915.01 = 3,180 : x
  2. Step 2: Convert to fraction form
    11,944.20/17,915.01 = 3,180/x
  3. Step 3: Cross multiply
    11,944.20x = 17,915.01 × 3,180
  4. Step 4: Simplify right side
    11,944.20x = 56,969,731.80
  5. Step 5: Solve for x
    x = 56,969,731.80/11,944.20
  6. Step 6: Final answer
    x = 4,769.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.