Home / 13,577.82-20,366.75-3,717.19

Finding the Fourth Proportional to 13,577.82, 20,366.75 and 3,717.19

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Solution

The fourth proportional to 13,577.82, 20,366.75 and 3,717.19 is: 5,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.82 : 20,366.75 = 3,717.19 : x
  2. Step 2: Convert to fraction form
    13,577.82/20,366.75 = 3,717.19/x
  3. Step 3: Cross multiply
    13,577.82x = 20,366.75 × 3,717.19
  4. Step 4: Simplify right side
    13,577.82x = 75,706,977.60
  5. Step 5: Solve for x
    x = 75,706,977.60/13,577.82
  6. Step 6: Final answer
    x = 5,575.78

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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.