Home / 11,936.28-17,906.34-4,147.32

Finding the Fourth Proportional to 11,936.28, 17,906.34 and 4,147.32

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Solution

The fourth proportional to 11,936.28, 17,906.34 and 4,147.32 is: 6,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,936.28 : 17,906.34 = 4,147.32 : x
  2. Step 2: Convert to fraction form
    11,936.28/17,906.34 = 4,147.32/x
  3. Step 3: Cross multiply
    11,936.28x = 17,906.34 × 4,147.32
  4. Step 4: Simplify right side
    11,936.28x = 74,263,322.01
  5. Step 5: Solve for x
    x = 74,263,322.01/11,936.28
  6. Step 6: Final answer
    x = 6,221.65

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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.