Home / 18,163.23-27,249.21-6,315.27

Finding the Fourth Proportional to 18,163.23, 27,249.21 and 6,315.27

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Solution

The fourth proportional to 18,163.23, 27,249.21 and 6,315.27 is: 9,474.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163.23 : 27,249.21 = 6,315.27 : x
  2. Step 2: Convert to fraction form
    18,163.23/27,249.21 = 6,315.27/x
  3. Step 3: Cross multiply
    18,163.23x = 27,249.21 × 6,315.27
  4. Step 4: Simplify right side
    18,163.23x = 172,086,086.86
  5. Step 5: Solve for x
    x = 172,086,086.86/18,163.23
  6. Step 6: Final answer
    x = 9,474.42

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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.