Home / 9,149.80-13,725.66-3,956.20

Finding the Fourth Proportional to 9,149.80, 13,725.66 and 3,956.20

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Solution

The fourth proportional to 9,149.80, 13,725.66 and 3,956.20 is: 5,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.80 : 13,725.66 = 3,956.20 : x
  2. Step 2: Convert to fraction form
    9,149.80/13,725.66 = 3,956.20/x
  3. Step 3: Cross multiply
    9,149.80x = 13,725.66 × 3,956.20
  4. Step 4: Simplify right side
    9,149.80x = 54,301,456.09
  5. Step 5: Solve for x
    x = 54,301,456.09/9,149.80
  6. Step 6: Final answer
    x = 5,934.72

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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.