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Finding the Fourth Proportional to 18,180.26, 27,282.95 and 11,943.26

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Solution

The fourth proportional to 18,180.26, 27,282.95 and 11,943.26 is: 17,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.26 : 27,282.95 = 11,943.26 : x
  2. Step 2: Convert to fraction form
    18,180.26/27,282.95 = 11,943.26/x
  3. Step 3: Cross multiply
    18,180.26x = 27,282.95 × 11,943.26
  4. Step 4: Simplify right side
    18,180.26x = 325,847,365.42
  5. Step 5: Solve for x
    x = 325,847,365.42/18,180.26
  6. Step 6: Final answer
    x = 17,923.14

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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.