Home / 11,660.83-16,091.96-6,355.64

Finding the Fourth Proportional to 11,660.83, 16,091.96 and 6,355.64

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Solution

The fourth proportional to 11,660.83, 16,091.96 and 6,355.64 is: 8,770.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.83 : 16,091.96 = 6,355.64 : x
  2. Step 2: Convert to fraction form
    11,660.83/16,091.96 = 6,355.64/x
  3. Step 3: Cross multiply
    11,660.83x = 16,091.96 × 6,355.64
  4. Step 4: Simplify right side
    11,660.83x = 102,274,713.11
  5. Step 5: Solve for x
    x = 102,274,713.11/11,660.83
  6. Step 6: Final answer
    x = 8,770.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.