Home / 18,286.63-27,418.11-12,027.69

Finding the Fourth Proportional to 18,286.63, 27,418.11 and 12,027.69

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Solution

The fourth proportional to 18,286.63, 27,418.11 and 12,027.69 is: 18,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.63 : 27,418.11 = 12,027.69 : x
  2. Step 2: Convert to fraction form
    18,286.63/27,418.11 = 12,027.69/x
  3. Step 3: Cross multiply
    18,286.63x = 27,418.11 × 12,027.69
  4. Step 4: Simplify right side
    18,286.63x = 329,776,550.02
  5. Step 5: Solve for x
    x = 329,776,550.02/18,286.63
  6. Step 6: Final answer
    x = 18,033.75

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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.