Home / 11,013.98-15,198.15-6,298.57

Finding the Fourth Proportional to 11,013.98, 15,198.15 and 6,298.57

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Solution

The fourth proportional to 11,013.98, 15,198.15 and 6,298.57 is: 8,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,013.98 : 15,198.15 = 6,298.57 : x
  2. Step 2: Convert to fraction form
    11,013.98/15,198.15 = 6,298.57/x
  3. Step 3: Cross multiply
    11,013.98x = 15,198.15 × 6,298.57
  4. Step 4: Simplify right side
    11,013.98x = 95,726,573.65
  5. Step 5: Solve for x
    x = 95,726,573.65/11,013.98
  6. Step 6: Final answer
    x = 8,691.37

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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.