Home / 10,942.80-16,414.20-3,045.30

Finding the Fourth Proportional to 10,942.80, 16,414.20 and 3,045.30

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Solution

The fourth proportional to 10,942.80, 16,414.20 and 3,045.30 is: 4,567.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.80 : 16,414.20 = 3,045.30 : x
  2. Step 2: Convert to fraction form
    10,942.80/16,414.20 = 3,045.30/x
  3. Step 3: Cross multiply
    10,942.80x = 16,414.20 × 3,045.30
  4. Step 4: Simplify right side
    10,942.80x = 49,986,163.26
  5. Step 5: Solve for x
    x = 49,986,163.26/10,942.80
  6. Step 6: Final answer
    x = 4,567.95

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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.