Home / 18,228.42-27,343.17-12,028.14

Finding the Fourth Proportional to 18,228.42, 27,343.17 and 12,028.14

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Solution

The fourth proportional to 18,228.42, 27,343.17 and 12,028.14 is: 18,042.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.42 : 27,343.17 = 12,028.14 : x
  2. Step 2: Convert to fraction form
    18,228.42/27,343.17 = 12,028.14/x
  3. Step 3: Cross multiply
    18,228.42x = 27,343.17 × 12,028.14
  4. Step 4: Simplify right side
    18,228.42x = 328,887,476.80
  5. Step 5: Solve for x
    x = 328,887,476.80/18,228.42
  6. Step 6: Final answer
    x = 18,042.57

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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.