Home / 18,133.37-27,183.65-6,443.85

Finding the Fourth Proportional to 18,133.37, 27,183.65 and 6,443.85

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Solution

The fourth proportional to 18,133.37, 27,183.65 and 6,443.85 is: 9,659.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.37 : 27,183.65 = 6,443.85 : x
  2. Step 2: Convert to fraction form
    18,133.37/27,183.65 = 6,443.85/x
  3. Step 3: Cross multiply
    18,133.37x = 27,183.65 × 6,443.85
  4. Step 4: Simplify right side
    18,133.37x = 175,167,469.02
  5. Step 5: Solve for x
    x = 175,167,469.02/18,133.37
  6. Step 6: Final answer
    x = 9,659.95

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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.