Home / 13,816.94-20,725.35-3,956.22

Finding the Fourth Proportional to 13,816.94, 20,725.35 and 3,956.22

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Solution

The fourth proportional to 13,816.94, 20,725.35 and 3,956.22 is: 5,934.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.94 : 20,725.35 = 3,956.22 : x
  2. Step 2: Convert to fraction form
    13,816.94/20,725.35 = 3,956.22/x
  3. Step 3: Cross multiply
    13,816.94x = 20,725.35 × 3,956.22
  4. Step 4: Simplify right side
    13,816.94x = 81,994,044.18
  5. Step 5: Solve for x
    x = 81,994,044.18/13,816.94
  6. Step 6: Final answer
    x = 5,934.31

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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.