Home / 11,037.44-16,555.92-5,190.80

Finding the Fourth Proportional to 11,037.44, 16,555.92 and 5,190.80

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Solution

The fourth proportional to 11,037.44, 16,555.92 and 5,190.80 is: 7,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,037.44 : 16,555.92 = 5,190.80 : x
  2. Step 2: Convert to fraction form
    11,037.44/16,555.92 = 5,190.80/x
  3. Step 3: Cross multiply
    11,037.44x = 16,555.92 × 5,190.80
  4. Step 4: Simplify right side
    11,037.44x = 85,938,469.54
  5. Step 5: Solve for x
    x = 85,938,469.54/11,037.44
  6. Step 6: Final answer
    x = 7,786.09

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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.