Home / 18,229.62-27,341.96-7,144.07

Finding the Fourth Proportional to 18,229.62, 27,341.96 and 7,144.07

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Solution

The fourth proportional to 18,229.62, 27,341.96 and 7,144.07 is: 10,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.62 : 27,341.96 = 7,144.07 : x
  2. Step 2: Convert to fraction form
    18,229.62/27,341.96 = 7,144.07/x
  3. Step 3: Cross multiply
    18,229.62x = 27,341.96 × 7,144.07
  4. Step 4: Simplify right side
    18,229.62x = 195,332,703.75
  5. Step 5: Solve for x
    x = 195,332,703.75/18,229.62
  6. Step 6: Final answer
    x = 10,715.13

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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.