Home / 12,106.20-16,704.44-6,727.78

Finding the Fourth Proportional to 12,106.20, 16,704.44 and 6,727.78

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Solution

The fourth proportional to 12,106.20, 16,704.44 and 6,727.78 is: 9,283.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,106.20 : 16,704.44 = 6,727.78 : x
  2. Step 2: Convert to fraction form
    12,106.20/16,704.44 = 6,727.78/x
  3. Step 3: Cross multiply
    12,106.20x = 16,704.44 × 6,727.78
  4. Step 4: Simplify right side
    12,106.20x = 112,383,797.34
  5. Step 5: Solve for x
    x = 112,383,797.34/12,106.20
  6. Step 6: Final answer
    x = 9,283.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.