Home / 13,914.97-20,872.50-4,054.51

Finding the Fourth Proportional to 13,914.97, 20,872.50 and 4,054.51

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Solution

The fourth proportional to 13,914.97, 20,872.50 and 4,054.51 is: 6,081.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.97 : 20,872.50 = 4,054.51 : x
  2. Step 2: Convert to fraction form
    13,914.97/20,872.50 = 4,054.51/x
  3. Step 3: Cross multiply
    13,914.97x = 20,872.50 × 4,054.51
  4. Step 4: Simplify right side
    13,914.97x = 84,627,759.98
  5. Step 5: Solve for x
    x = 84,627,759.98/13,914.97
  6. Step 6: Final answer
    x = 6,081.78

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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.