Home / 11,198.09-15,454.01-6,418.83

Finding the Fourth Proportional to 11,198.09, 15,454.01 and 6,418.83

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Solution

The fourth proportional to 11,198.09, 15,454.01 and 6,418.83 is: 8,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,198.09 : 15,454.01 = 6,418.83 : x
  2. Step 2: Convert to fraction form
    11,198.09/15,454.01 = 6,418.83/x
  3. Step 3: Cross multiply
    11,198.09x = 15,454.01 × 6,418.83
  4. Step 4: Simplify right side
    11,198.09x = 99,196,712.94
  5. Step 5: Solve for x
    x = 99,196,712.94/11,198.09
  6. Step 6: Final answer
    x = 8,858.36

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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.