Home / 10,163.87-15,245.94-2,769.08

Finding the Fourth Proportional to 10,163.87, 15,245.94 and 2,769.08

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Solution

The fourth proportional to 10,163.87, 15,245.94 and 2,769.08 is: 4,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.87 : 15,245.94 = 2,769.08 : x
  2. Step 2: Convert to fraction form
    10,163.87/15,245.94 = 2,769.08/x
  3. Step 3: Cross multiply
    10,163.87x = 15,245.94 × 2,769.08
  4. Step 4: Simplify right side
    10,163.87x = 42,217,151.31
  5. Step 5: Solve for x
    x = 42,217,151.31/10,163.87
  6. Step 6: Final answer
    x = 4,153.65

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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.