Home / 11,936.30-17,887.48-8,791.58

Finding the Fourth Proportional to 11,936.30, 17,887.48 and 8,791.58

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Solution

The fourth proportional to 11,936.30, 17,887.48 and 8,791.58 is: 13,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.30 : 17,887.48 = 8,791.58 : x
  2. Step 2: Convert to fraction form
    11,936.30/17,887.48 = 8,791.58/x
  3. Step 3: Cross multiply
    11,936.30x = 17,887.48 × 8,791.58
  4. Step 4: Simplify right side
    11,936.30x = 157,259,211.42
  5. Step 5: Solve for x
    x = 157,259,211.42/11,936.30
  6. Step 6: Final answer
    x = 13,174.87

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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.