Home / 11,118.72-16,676.84-2,798.73

Finding the Fourth Proportional to 11,118.72, 16,676.84 and 2,798.73

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Solution

The fourth proportional to 11,118.72, 16,676.84 and 2,798.73 is: 4,197.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.72 : 16,676.84 = 2,798.73 : x
  2. Step 2: Convert to fraction form
    11,118.72/16,676.84 = 2,798.73/x
  3. Step 3: Cross multiply
    11,118.72x = 16,676.84 × 2,798.73
  4. Step 4: Simplify right side
    11,118.72x = 46,673,972.41
  5. Step 5: Solve for x
    x = 46,673,972.41/11,118.72
  6. Step 6: Final answer
    x = 4,197.78

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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.