Home / 11,013.22-15,198.25-5,977.44

Finding the Fourth Proportional to 11,013.22, 15,198.25 and 5,977.44

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Solution

The fourth proportional to 11,013.22, 15,198.25 and 5,977.44 is: 8,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.22 : 15,198.25 = 5,977.44 : x
  2. Step 2: Convert to fraction form
    11,013.22/15,198.25 = 5,977.44/x
  3. Step 3: Cross multiply
    11,013.22x = 15,198.25 × 5,977.44
  4. Step 4: Simplify right side
    11,013.22x = 90,846,521.60
  5. Step 5: Solve for x
    x = 90,846,521.60/11,013.22
  6. Step 6: Final answer
    x = 8,248.86

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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.