Home / 18,021.62-27,035.02-5,542.70

Finding the Fourth Proportional to 18,021.62, 27,035.02 and 5,542.70

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Solution

The fourth proportional to 18,021.62, 27,035.02 and 5,542.70 is: 8,314.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.62 : 27,035.02 = 5,542.70 : x
  2. Step 2: Convert to fraction form
    18,021.62/27,035.02 = 5,542.70/x
  3. Step 3: Cross multiply
    18,021.62x = 27,035.02 × 5,542.70
  4. Step 4: Simplify right side
    18,021.62x = 149,847,005.35
  5. Step 5: Solve for x
    x = 149,847,005.35/18,021.62
  6. Step 6: Final answer
    x = 8,314.85

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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.