Home / 10,163.21-15,241.67-3,922.70

Finding the Fourth Proportional to 10,163.21, 15,241.67 and 3,922.70

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Solution

The fourth proportional to 10,163.21, 15,241.67 and 3,922.70 is: 5,882.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.21 : 15,241.67 = 3,922.70 : x
  2. Step 2: Convert to fraction form
    10,163.21/15,241.67 = 3,922.70/x
  3. Step 3: Cross multiply
    10,163.21x = 15,241.67 × 3,922.70
  4. Step 4: Simplify right side
    10,163.21x = 59,788,417.80
  5. Step 5: Solve for x
    x = 59,788,417.80/10,163.21
  6. Step 6: Final answer
    x = 5,882.83

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1.5x scale

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.