Home / 18,199.82-27,287.67-7,107.56

Finding the Fourth Proportional to 18,199.82, 27,287.67 and 7,107.56

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Solution

The fourth proportional to 18,199.82, 27,287.67 and 7,107.56 is: 10,656.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.82 : 27,287.67 = 7,107.56 : x
  2. Step 2: Convert to fraction form
    18,199.82/27,287.67 = 7,107.56/x
  3. Step 3: Cross multiply
    18,199.82x = 27,287.67 × 7,107.56
  4. Step 4: Simplify right side
    18,199.82x = 193,948,751.79
  5. Step 5: Solve for x
    x = 193,948,751.79/18,199.82
  6. Step 6: Final answer
    x = 10,656.63

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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.