Home / 10,183.05-15,274.58-2,788.29

Finding the Fourth Proportional to 10,183.05, 15,274.58 and 2,788.29

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Solution

The fourth proportional to 10,183.05, 15,274.58 and 2,788.29 is: 4,182.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,183.05 : 15,274.58 = 2,788.29 : x
  2. Step 2: Convert to fraction form
    10,183.05/15,274.58 = 2,788.29/x
  3. Step 3: Cross multiply
    10,183.05x = 15,274.58 × 2,788.29
  4. Step 4: Simplify right side
    10,183.05x = 42,589,944.73
  5. Step 5: Solve for x
    x = 42,589,944.73/10,183.05
  6. Step 6: Final answer
    x = 4,182.44

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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.