Home / 11,894.31-17,836.20-3,571.56

Finding the Fourth Proportional to 11,894.31, 17,836.20 and 3,571.56

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Solution

The fourth proportional to 11,894.31, 17,836.20 and 3,571.56 is: 5,355.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.31 : 17,836.20 = 3,571.56 : x
  2. Step 2: Convert to fraction form
    11,894.31/17,836.20 = 3,571.56/x
  3. Step 3: Cross multiply
    11,894.31x = 17,836.20 × 3,571.56
  4. Step 4: Simplify right side
    11,894.31x = 63,703,058.47
  5. Step 5: Solve for x
    x = 63,703,058.47/11,894.31
  6. Step 6: Final answer
    x = 5,355.76

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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.