Home / 13,268.32-19,899.14-3,906.46

Finding the Fourth Proportional to 13,268.32, 19,899.14 and 3,906.46

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Solution

The fourth proportional to 13,268.32, 19,899.14 and 3,906.46 is: 5,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.32 : 19,899.14 = 3,906.46 : x
  2. Step 2: Convert to fraction form
    13,268.32/19,899.14 = 3,906.46/x
  3. Step 3: Cross multiply
    13,268.32x = 19,899.14 × 3,906.46
  4. Step 4: Simplify right side
    13,268.32x = 77,735,194.44
  5. Step 5: Solve for x
    x = 77,735,194.44/13,268.32
  6. Step 6: Final answer
    x = 5,858.71

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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.