Home / 22,164.35-33,236.64-8,120.66

Finding the Fourth Proportional to 22,164.35, 33,236.64 and 8,120.66

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Solution

The fourth proportional to 22,164.35, 33,236.64 and 8,120.66 is: 12,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164.35 : 33,236.64 = 8,120.66 : x
  2. Step 2: Convert to fraction form
    22,164.35/33,236.64 = 8,120.66/x
  3. Step 3: Cross multiply
    22,164.35x = 33,236.64 × 8,120.66
  4. Step 4: Simplify right side
    22,164.35x = 269,903,536.07
  5. Step 5: Solve for x
    x = 269,903,536.07/22,164.35
  6. Step 6: Final answer
    x = 12,177.37

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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.