Home / 18,180.12-27,272.91-5,697.36

Finding the Fourth Proportional to 18,180.12, 27,272.91 and 5,697.36

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Solution

The fourth proportional to 18,180.12, 27,272.91 and 5,697.36 is: 8,546.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.12 : 27,272.91 = 5,697.36 : x
  2. Step 2: Convert to fraction form
    18,180.12/27,272.91 = 5,697.36/x
  3. Step 3: Cross multiply
    18,180.12x = 27,272.91 × 5,697.36
  4. Step 4: Simplify right side
    18,180.12x = 155,383,586.52
  5. Step 5: Solve for x
    x = 155,383,586.52/18,180.12
  6. Step 6: Final answer
    x = 8,546.90

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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.