Home / 18,199.32-27,286.92-7,107.08

Finding the Fourth Proportional to 18,199.32, 27,286.92 and 7,107.08

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Solution

The fourth proportional to 18,199.32, 27,286.92 and 7,107.08 is: 10,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.32 : 27,286.92 = 7,107.08 : x
  2. Step 2: Convert to fraction form
    18,199.32/27,286.92 = 7,107.08/x
  3. Step 3: Cross multiply
    18,199.32x = 27,286.92 × 7,107.08
  4. Step 4: Simplify right side
    18,199.32x = 193,930,323.39
  5. Step 5: Solve for x
    x = 193,930,323.39/18,199.32
  6. Step 6: Final answer
    x = 10,655.91

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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.