Home / 11,791.80-17,697.96-6,249.12

Finding the Fourth Proportional to 11,791.80, 17,697.96 and 6,249.12

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Solution

The fourth proportional to 11,791.80, 17,697.96 and 6,249.12 is: 9,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.80 : 17,697.96 = 6,249.12 : x
  2. Step 2: Convert to fraction form
    11,791.80/17,697.96 = 6,249.12/x
  3. Step 3: Cross multiply
    11,791.80x = 17,697.96 × 6,249.12
  4. Step 4: Simplify right side
    11,791.80x = 110,596,675.80
  5. Step 5: Solve for x
    x = 110,596,675.80/11,791.80
  6. Step 6: Final answer
    x = 9,379.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.