Home / 18,028.43-27,032.10-12,112.19

Finding the Fourth Proportional to 18,028.43, 27,032.10 and 12,112.19

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Solution

The fourth proportional to 18,028.43, 27,032.10 and 12,112.19 is: 18,161.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.43 : 27,032.10 = 12,112.19 : x
  2. Step 2: Convert to fraction form
    18,028.43/27,032.10 = 12,112.19/x
  3. Step 3: Cross multiply
    18,028.43x = 27,032.10 × 12,112.19
  4. Step 4: Simplify right side
    18,028.43x = 327,417,796.14
  5. Step 5: Solve for x
    x = 327,417,796.14/18,028.43
  6. Step 6: Final answer
    x = 18,161.20

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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.