Home / 11,013.63-15,198.82-5,977.85

Finding the Fourth Proportional to 11,013.63, 15,198.82 and 5,977.85

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Solution

The fourth proportional to 11,013.63, 15,198.82 and 5,977.85 is: 8,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.63 : 15,198.82 = 5,977.85 : x
  2. Step 2: Convert to fraction form
    11,013.63/15,198.82 = 5,977.85/x
  3. Step 3: Cross multiply
    11,013.63x = 15,198.82 × 5,977.85
  4. Step 4: Simplify right side
    11,013.63x = 90,856,190.14
  5. Step 5: Solve for x
    x = 90,856,190.14/11,013.63
  6. Step 6: Final answer
    x = 8,249.43

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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.