Home / 10,163.25-15,247.35-3,237.75

Finding the Fourth Proportional to 10,163.25, 15,247.35 and 3,237.75

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Solution

The fourth proportional to 10,163.25, 15,247.35 and 3,237.75 is: 4,857.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.25 : 15,247.35 = 3,237.75 : x
  2. Step 2: Convert to fraction form
    10,163.25/15,247.35 = 3,237.75/x
  3. Step 3: Cross multiply
    10,163.25x = 15,247.35 × 3,237.75
  4. Step 4: Simplify right side
    10,163.25x = 49,367,107.46
  5. Step 5: Solve for x
    x = 49,367,107.46/10,163.25
  6. Step 6: Final answer
    x = 4,857.41

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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.