Home / 11,276.25-16,915.53-3,879.73

Finding the Fourth Proportional to 11,276.25, 16,915.53 and 3,879.73

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Solution

The fourth proportional to 11,276.25, 16,915.53 and 3,879.73 is: 5,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.25 : 16,915.53 = 3,879.73 : x
  2. Step 2: Convert to fraction form
    11,276.25/16,915.53 = 3,879.73/x
  3. Step 3: Cross multiply
    11,276.25x = 16,915.53 × 3,879.73
  4. Step 4: Simplify right side
    11,276.25x = 65,627,724.90
  5. Step 5: Solve for x
    x = 65,627,724.90/11,276.25
  6. Step 6: Final answer
    x = 5,820.00

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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.