Home / 12,198.74-16,795.76-10,761.42

Finding the Fourth Proportional to 12,198.74, 16,795.76 and 10,761.42

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Solution

The fourth proportional to 12,198.74, 16,795.76 and 10,761.42 is: 14,816.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198.74 : 16,795.76 = 10,761.42 : x
  2. Step 2: Convert to fraction form
    12,198.74/16,795.76 = 10,761.42/x
  3. Step 3: Cross multiply
    12,198.74x = 16,795.76 × 10,761.42
  4. Step 4: Simplify right side
    12,198.74x = 180,746,227.58
  5. Step 5: Solve for x
    x = 180,746,227.58/12,198.74
  6. Step 6: Final answer
    x = 14,816.79

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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.