Home / 18,350.25-27,519.31-7,100.37

Finding the Fourth Proportional to 18,350.25, 27,519.31 and 7,100.37

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Solution

The fourth proportional to 18,350.25, 27,519.31 and 7,100.37 is: 10,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.25 : 27,519.31 = 7,100.37 : x
  2. Step 2: Convert to fraction form
    18,350.25/27,519.31 = 7,100.37/x
  3. Step 3: Cross multiply
    18,350.25x = 27,519.31 × 7,100.37
  4. Step 4: Simplify right side
    18,350.25x = 195,397,247.64
  5. Step 5: Solve for x
    x = 195,397,247.64/18,350.25
  6. Step 6: Final answer
    x = 10,648.21

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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.