Home / 10,910.82-16,350.60-6,221.10

Finding the Fourth Proportional to 10,910.82, 16,350.60 and 6,221.10

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Solution

The fourth proportional to 10,910.82, 16,350.60 and 6,221.10 is: 9,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,910.82 : 16,350.60 = 6,221.10 : x
  2. Step 2: Convert to fraction form
    10,910.82/16,350.60 = 6,221.10/x
  3. Step 3: Cross multiply
    10,910.82x = 16,350.60 × 6,221.10
  4. Step 4: Simplify right side
    10,910.82x = 101,718,717.66
  5. Step 5: Solve for x
    x = 101,718,717.66/10,910.82
  6. Step 6: Final answer
    x = 9,322.74

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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.