Home / 11,871.14-17,806.46-3,551.18

Finding the Fourth Proportional to 11,871.14, 17,806.46 and 3,551.18

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Solution

The fourth proportional to 11,871.14, 17,806.46 and 3,551.18 is: 5,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.14 : 17,806.46 = 3,551.18 : x
  2. Step 2: Convert to fraction form
    11,871.14/17,806.46 = 3,551.18/x
  3. Step 3: Cross multiply
    11,871.14x = 17,806.46 × 3,551.18
  4. Step 4: Simplify right side
    11,871.14x = 63,233,944.62
  5. Step 5: Solve for x
    x = 63,233,944.62/11,871.14
  6. Step 6: Final answer
    x = 5,326.70

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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.