Home / 10,982.20-16,441.14-6,809.60

Finding the Fourth Proportional to 10,982.20, 16,441.14 and 6,809.60

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Solution

The fourth proportional to 10,982.20, 16,441.14 and 6,809.60 is: 10,194.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.20 : 16,441.14 = 6,809.60 : x
  2. Step 2: Convert to fraction form
    10,982.20/16,441.14 = 6,809.60/x
  3. Step 3: Cross multiply
    10,982.20x = 16,441.14 × 6,809.60
  4. Step 4: Simplify right side
    10,982.20x = 111,957,586.94
  5. Step 5: Solve for x
    x = 111,957,586.94/10,982.20
  6. Step 6: Final answer
    x = 10,194.46

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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.