Home / 18,229.74-27,356.90-7,135.04

Finding the Fourth Proportional to 18,229.74, 27,356.90 and 7,135.04

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Solution

The fourth proportional to 18,229.74, 27,356.90 and 7,135.04 is: 10,707.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.74 : 27,356.90 = 7,135.04 : x
  2. Step 2: Convert to fraction form
    18,229.74/27,356.90 = 7,135.04/x
  3. Step 3: Cross multiply
    18,229.74x = 27,356.90 × 7,135.04
  4. Step 4: Simplify right side
    18,229.74x = 195,192,575.78
  5. Step 5: Solve for x
    x = 195,192,575.78/18,229.74
  6. Step 6: Final answer
    x = 10,707.37

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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.