Home / 13,577.88-20,366.84-3,716.42

Finding the Fourth Proportional to 13,577.88, 20,366.84 and 3,716.42

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Solution

The fourth proportional to 13,577.88, 20,366.84 and 3,716.42 is: 5,574.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.88 : 20,366.84 = 3,716.42 : x
  2. Step 2: Convert to fraction form
    13,577.88/20,366.84 = 3,716.42/x
  3. Step 3: Cross multiply
    13,577.88x = 20,366.84 × 3,716.42
  4. Step 4: Simplify right side
    13,577.88x = 75,691,731.51
  5. Step 5: Solve for x
    x = 75,691,731.51/13,577.88
  6. Step 6: Final answer
    x = 5,574.64

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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.