Home / 11,742.43-17,602.62-3,945.79

Finding the Fourth Proportional to 11,742.43, 17,602.62 and 3,945.79

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Solution

The fourth proportional to 11,742.43, 17,602.62 and 3,945.79 is: 5,914.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.43 : 17,602.62 = 3,945.79 : x
  2. Step 2: Convert to fraction form
    11,742.43/17,602.62 = 3,945.79/x
  3. Step 3: Cross multiply
    11,742.43x = 17,602.62 × 3,945.79
  4. Step 4: Simplify right side
    11,742.43x = 69,456,241.97
  5. Step 5: Solve for x
    x = 69,456,241.97/11,742.43
  6. Step 6: Final answer
    x = 5,914.98

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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.