Home / 18,180.06-27,270.42-5,699.80

Finding the Fourth Proportional to 18,180.06, 27,270.42 and 5,699.80

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Solution

The fourth proportional to 18,180.06, 27,270.42 and 5,699.80 is: 8,549.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.06 : 27,270.42 = 5,699.80 : x
  2. Step 2: Convert to fraction form
    18,180.06/27,270.42 = 5,699.80/x
  3. Step 3: Cross multiply
    18,180.06x = 27,270.42 × 5,699.80
  4. Step 4: Simplify right side
    18,180.06x = 155,435,939.92
  5. Step 5: Solve for x
    x = 155,435,939.92/18,180.06
  6. Step 6: Final answer
    x = 8,549.80

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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.