Home / 10,813.80-16,219.26-3,021.96

Finding the Fourth Proportional to 10,813.80, 16,219.26 and 3,021.96

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Solution

The fourth proportional to 10,813.80, 16,219.26 and 3,021.96 is: 4,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.80 : 16,219.26 = 3,021.96 : x
  2. Step 2: Convert to fraction form
    10,813.80/16,219.26 = 3,021.96/x
  3. Step 3: Cross multiply
    10,813.80x = 16,219.26 × 3,021.96
  4. Step 4: Simplify right side
    10,813.80x = 49,013,954.95
  5. Step 5: Solve for x
    x = 49,013,954.95/10,813.80
  6. Step 6: Final answer
    x = 4,532.54

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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.