Home / 10,775.57-16,163.35-3,380.60

Finding the Fourth Proportional to 10,775.57, 16,163.35 and 3,380.60

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Solution

The fourth proportional to 10,775.57, 16,163.35 and 3,380.60 is: 5,070.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,775.57 : 16,163.35 = 3,380.60 : x
  2. Step 2: Convert to fraction form
    10,775.57/16,163.35 = 3,380.60/x
  3. Step 3: Cross multiply
    10,775.57x = 16,163.35 × 3,380.60
  4. Step 4: Simplify right side
    10,775.57x = 54,641,821.01
  5. Step 5: Solve for x
    x = 54,641,821.01/10,775.57
  6. Step 6: Final answer
    x = 5,070.90

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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.