Home / 12,195.06-16,829.70-6,889.88

Finding the Fourth Proportional to 12,195.06, 16,829.70 and 6,889.88

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Solution

The fourth proportional to 12,195.06, 16,829.70 and 6,889.88 is: 9,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.06 : 16,829.70 = 6,889.88 : x
  2. Step 2: Convert to fraction form
    12,195.06/16,829.70 = 6,889.88/x
  3. Step 3: Cross multiply
    12,195.06x = 16,829.70 × 6,889.88
  4. Step 4: Simplify right side
    12,195.06x = 115,954,613.44
  5. Step 5: Solve for x
    x = 115,954,613.44/12,195.06
  6. Step 6: Final answer
    x = 9,508.33

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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.