Home / 11,190.70-16,785.33-3,399.58

Finding the Fourth Proportional to 11,190.70, 16,785.33 and 3,399.58

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Solution

The fourth proportional to 11,190.70, 16,785.33 and 3,399.58 is: 5,099.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.70 : 16,785.33 = 3,399.58 : x
  2. Step 2: Convert to fraction form
    11,190.70/16,785.33 = 3,399.58/x
  3. Step 3: Cross multiply
    11,190.70x = 16,785.33 × 3,399.58
  4. Step 4: Simplify right side
    11,190.70x = 57,063,072.16
  5. Step 5: Solve for x
    x = 57,063,072.16/11,190.70
  6. Step 6: Final answer
    x = 5,099.15

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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.