Home / 8,081.32-12,110.93-6,105.33

Finding the Fourth Proportional to 8,081.32, 12,110.93 and 6,105.33

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Solution

The fourth proportional to 8,081.32, 12,110.93 and 6,105.33 is: 9,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.32 : 12,110.93 = 6,105.33 : x
  2. Step 2: Convert to fraction form
    8,081.32/12,110.93 = 6,105.33/x
  3. Step 3: Cross multiply
    8,081.32x = 12,110.93 × 6,105.33
  4. Step 4: Simplify right side
    8,081.32x = 73,941,224.26
  5. Step 5: Solve for x
    x = 73,941,224.26/8,081.32
  6. Step 6: Final answer
    x = 9,149.65

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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.