Home / 11,936.97-17,905.59-4,145.85

Finding the Fourth Proportional to 11,936.97, 17,905.59 and 4,145.85

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Solution

The fourth proportional to 11,936.97, 17,905.59 and 4,145.85 is: 6,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.97 : 17,905.59 = 4,145.85 : x
  2. Step 2: Convert to fraction form
    11,936.97/17,905.59 = 4,145.85/x
  3. Step 3: Cross multiply
    11,936.97x = 17,905.59 × 4,145.85
  4. Step 4: Simplify right side
    11,936.97x = 74,233,890.30
  5. Step 5: Solve for x
    x = 74,233,890.30/11,936.97
  6. Step 6: Final answer
    x = 6,218.82

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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.