Home / 10,884.35-16,321.66-3,091.34

Finding the Fourth Proportional to 10,884.35, 16,321.66 and 3,091.34

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Solution

The fourth proportional to 10,884.35, 16,321.66 and 3,091.34 is: 4,635.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,884.35 : 16,321.66 = 3,091.34 : x
  2. Step 2: Convert to fraction form
    10,884.35/16,321.66 = 3,091.34/x
  3. Step 3: Cross multiply
    10,884.35x = 16,321.66 × 3,091.34
  4. Step 4: Simplify right side
    10,884.35x = 50,455,800.42
  5. Step 5: Solve for x
    x = 50,455,800.42/10,884.35
  6. Step 6: Final answer
    x = 4,635.63

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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.