Home / 13,201.42-19,799.96-3,965.26

Finding the Fourth Proportional to 13,201.42, 19,799.96 and 3,965.26

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Solution

The fourth proportional to 13,201.42, 19,799.96 and 3,965.26 is: 5,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.42 : 19,799.96 = 3,965.26 : x
  2. Step 2: Convert to fraction form
    13,201.42/19,799.96 = 3,965.26/x
  3. Step 3: Cross multiply
    13,201.42x = 19,799.96 × 3,965.26
  4. Step 4: Simplify right side
    13,201.42x = 78,511,989.39
  5. Step 5: Solve for x
    x = 78,511,989.39/13,201.42
  6. Step 6: Final answer
    x = 5,947.24

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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.