Home / 18,649.44-27,977.13-6,169.91

Finding the Fourth Proportional to 18,649.44, 27,977.13 and 6,169.91

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Solution

The fourth proportional to 18,649.44, 27,977.13 and 6,169.91 is: 9,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.44 : 27,977.13 = 6,169.91 : x
  2. Step 2: Convert to fraction form
    18,649.44/27,977.13 = 6,169.91/x
  3. Step 3: Cross multiply
    18,649.44x = 27,977.13 × 6,169.91
  4. Step 4: Simplify right side
    18,649.44x = 172,616,234.27
  5. Step 5: Solve for x
    x = 172,616,234.27/18,649.44
  6. Step 6: Final answer
    x = 9,255.84

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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.