Home / 11,944.68-17,918.55-3,936.77

Finding the Fourth Proportional to 11,944.68, 17,918.55 and 3,936.77

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Solution

The fourth proportional to 11,944.68, 17,918.55 and 3,936.77 is: 5,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.68 : 17,918.55 = 3,936.77 : x
  2. Step 2: Convert to fraction form
    11,944.68/17,918.55 = 3,936.77/x
  3. Step 3: Cross multiply
    11,944.68x = 17,918.55 × 3,936.77
  4. Step 4: Simplify right side
    11,944.68x = 70,541,120.49
  5. Step 5: Solve for x
    x = 70,541,120.49/11,944.68
  6. Step 6: Final answer
    x = 5,905.65

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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.