Home / 11,779.97-16,249.14-6,996.66

Finding the Fourth Proportional to 11,779.97, 16,249.14 and 6,996.66

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Solution

The fourth proportional to 11,779.97, 16,249.14 and 6,996.66 is: 9,651.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,779.97 : 16,249.14 = 6,996.66 : x
  2. Step 2: Convert to fraction form
    11,779.97/16,249.14 = 6,996.66/x
  3. Step 3: Cross multiply
    11,779.97x = 16,249.14 × 6,996.66
  4. Step 4: Simplify right side
    11,779.97x = 113,689,707.87
  5. Step 5: Solve for x
    x = 113,689,707.87/11,779.97
  6. Step 6: Final answer
    x = 9,651.11

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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.