Home / 8,093.90-11,161.32-7,912.86

Finding the Fourth Proportional to 8,093.90, 11,161.32 and 7,912.86

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Solution

The fourth proportional to 8,093.90, 11,161.32 and 7,912.86 is: 10,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,093.90 : 11,161.32 = 7,912.86 : x
  2. Step 2: Convert to fraction form
    8,093.90/11,161.32 = 7,912.86/x
  3. Step 3: Cross multiply
    8,093.90x = 11,161.32 × 7,912.86
  4. Step 4: Simplify right side
    8,093.90x = 88,317,962.58
  5. Step 5: Solve for x
    x = 88,317,962.58/8,093.90
  6. Step 6: Final answer
    x = 10,911.67

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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.