Home / 18,249.80-27,372.34-5,771.09

Finding the Fourth Proportional to 18,249.80, 27,372.34 and 5,771.09

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Solution

The fourth proportional to 18,249.80, 27,372.34 and 5,771.09 is: 8,655.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.80 : 27,372.34 = 5,771.09 : x
  2. Step 2: Convert to fraction form
    18,249.80/27,372.34 = 5,771.09/x
  3. Step 3: Cross multiply
    18,249.80x = 27,372.34 × 5,771.09
  4. Step 4: Simplify right side
    18,249.80x = 157,968,237.65
  5. Step 5: Solve for x
    x = 157,968,237.65/18,249.80
  6. Step 6: Final answer
    x = 8,655.89

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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.