Home / 11,660.85-16,091.89-6,355.66

Finding the Fourth Proportional to 11,660.85, 16,091.89 and 6,355.66

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Solution

The fourth proportional to 11,660.85, 16,091.89 and 6,355.66 is: 8,770.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,660.85 : 16,091.89 = 6,355.66 : x
  2. Step 2: Convert to fraction form
    11,660.85/16,091.89 = 6,355.66/x
  3. Step 3: Cross multiply
    11,660.85x = 16,091.89 × 6,355.66
  4. Step 4: Simplify right side
    11,660.85x = 102,274,581.60
  5. Step 5: Solve for x
    x = 102,274,581.60/11,660.85
  6. Step 6: Final answer
    x = 8,770.77

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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.