Home / 18,115.48-27,180.06-9,344.80

Finding the Fourth Proportional to 18,115.48, 27,180.06 and 9,344.80

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Solution

The fourth proportional to 18,115.48, 27,180.06 and 9,344.80 is: 14,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,115.48 : 27,180.06 = 9,344.80 : x
  2. Step 2: Convert to fraction form
    18,115.48/27,180.06 = 9,344.80/x
  3. Step 3: Cross multiply
    18,115.48x = 27,180.06 × 9,344.80
  4. Step 4: Simplify right side
    18,115.48x = 253,992,224.69
  5. Step 5: Solve for x
    x = 253,992,224.69/18,115.48
  6. Step 6: Final answer
    x = 14,020.73

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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.