Home / 11,079.89-16,580.83-6,921.86

Finding the Fourth Proportional to 11,079.89, 16,580.83 and 6,921.86

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Solution

The fourth proportional to 11,079.89, 16,580.83 and 6,921.86 is: 10,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.89 : 16,580.83 = 6,921.86 : x
  2. Step 2: Convert to fraction form
    11,079.89/16,580.83 = 6,921.86/x
  3. Step 3: Cross multiply
    11,079.89x = 16,580.83 × 6,921.86
  4. Step 4: Simplify right side
    11,079.89x = 114,770,183.94
  5. Step 5: Solve for x
    x = 114,770,183.94/11,079.89
  6. Step 6: Final answer
    x = 10,358.42

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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.