Home / 18,494.12-25,514.70-11,778.54

Finding the Fourth Proportional to 18,494.12, 25,514.70 and 11,778.54

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Solution

The fourth proportional to 18,494.12, 25,514.70 and 11,778.54 is: 16,249.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.12 : 25,514.70 = 11,778.54 : x
  2. Step 2: Convert to fraction form
    18,494.12/25,514.70 = 11,778.54/x
  3. Step 3: Cross multiply
    18,494.12x = 25,514.70 × 11,778.54
  4. Step 4: Simplify right side
    18,494.12x = 300,525,914.54
  5. Step 5: Solve for x
    x = 300,525,914.54/18,494.12
  6. Step 6: Final answer
    x = 16,249.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.