Home / 10,788.06-16,183.83-3,190.11

Finding the Fourth Proportional to 10,788.06, 16,183.83 and 3,190.11

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Solution

The fourth proportional to 10,788.06, 16,183.83 and 3,190.11 is: 4,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,788.06 : 16,183.83 = 3,190.11 : x
  2. Step 2: Convert to fraction form
    10,788.06/16,183.83 = 3,190.11/x
  3. Step 3: Cross multiply
    10,788.06x = 16,183.83 × 3,190.11
  4. Step 4: Simplify right side
    10,788.06x = 51,628,234.14
  5. Step 5: Solve for x
    x = 51,628,234.14/10,788.06
  6. Step 6: Final answer
    x = 4,785.68

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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.