Home / 18,266.24-27,399.90-7,175.72

Finding the Fourth Proportional to 18,266.24, 27,399.90 and 7,175.72

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Solution

The fourth proportional to 18,266.24, 27,399.90 and 7,175.72 is: 10,763.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.24 : 27,399.90 = 7,175.72 : x
  2. Step 2: Convert to fraction form
    18,266.24/27,399.90 = 7,175.72/x
  3. Step 3: Cross multiply
    18,266.24x = 27,399.90 × 7,175.72
  4. Step 4: Simplify right side
    18,266.24x = 196,614,010.43
  5. Step 5: Solve for x
    x = 196,614,010.43/18,266.24
  6. Step 6: Final answer
    x = 10,763.79

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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.