Home / 19,311.94-28,965.48-6,163.21

Finding the Fourth Proportional to 19,311.94, 28,965.48 and 6,163.21

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Solution

The fourth proportional to 19,311.94, 28,965.48 and 6,163.21 is: 9,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.94 : 28,965.48 = 6,163.21 : x
  2. Step 2: Convert to fraction form
    19,311.94/28,965.48 = 6,163.21/x
  3. Step 3: Cross multiply
    19,311.94x = 28,965.48 × 6,163.21
  4. Step 4: Simplify right side
    19,311.94x = 178,520,335.99
  5. Step 5: Solve for x
    x = 178,520,335.99/19,311.94
  6. Step 6: Final answer
    x = 9,244.04

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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.