Home / 12,198.44-16,833.70-7,161.76

Finding the Fourth Proportional to 12,198.44, 16,833.70 and 7,161.76

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Solution

The fourth proportional to 12,198.44, 16,833.70 and 7,161.76 is: 9,883.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.44 : 16,833.70 = 7,161.76 : x
  2. Step 2: Convert to fraction form
    12,198.44/16,833.70 = 7,161.76/x
  3. Step 3: Cross multiply
    12,198.44x = 16,833.70 × 7,161.76
  4. Step 4: Simplify right side
    12,198.44x = 120,558,919.31
  5. Step 5: Solve for x
    x = 120,558,919.31/12,198.44
  6. Step 6: Final answer
    x = 9,883.14

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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.