Home / 11,371.78-15,694.21-6,336.82

Finding the Fourth Proportional to 11,371.78, 15,694.21 and 6,336.82

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Solution

The fourth proportional to 11,371.78, 15,694.21 and 6,336.82 is: 8,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,371.78 : 15,694.21 = 6,336.82 : x
  2. Step 2: Convert to fraction form
    11,371.78/15,694.21 = 6,336.82/x
  3. Step 3: Cross multiply
    11,371.78x = 15,694.21 × 6,336.82
  4. Step 4: Simplify right side
    11,371.78x = 99,451,273.66
  5. Step 5: Solve for x
    x = 99,451,273.66/11,371.78
  6. Step 6: Final answer
    x = 8,745.45

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1.5x scale

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.