Home / 18,241.19-27,326.38-11,982.21

Finding the Fourth Proportional to 18,241.19, 27,326.38 and 11,982.21

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Solution

The fourth proportional to 18,241.19, 27,326.38 and 11,982.21 is: 17,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,241.19 : 27,326.38 = 11,982.21 : x
  2. Step 2: Convert to fraction form
    18,241.19/27,326.38 = 11,982.21/x
  3. Step 3: Cross multiply
    18,241.19x = 27,326.38 × 11,982.21
  4. Step 4: Simplify right side
    18,241.19x = 327,430,423.70
  5. Step 5: Solve for x
    x = 327,430,423.70/18,241.19
  6. Step 6: Final answer
    x = 17,950.06

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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.