Home / 10,382.09-15,571.50-3,806.69

Finding the Fourth Proportional to 10,382.09, 15,571.50 and 3,806.69

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Solution

The fourth proportional to 10,382.09, 15,571.50 and 3,806.69 is: 5,709.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.09 : 15,571.50 = 3,806.69 : x
  2. Step 2: Convert to fraction form
    10,382.09/15,571.50 = 3,806.69/x
  3. Step 3: Cross multiply
    10,382.09x = 15,571.50 × 3,806.69
  4. Step 4: Simplify right side
    10,382.09x = 59,275,873.34
  5. Step 5: Solve for x
    x = 59,275,873.34/10,382.09
  6. Step 6: Final answer
    x = 5,709.44

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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.