Home / 12,949.01-19,327.41-11,162.42

Finding the Fourth Proportional to 12,949.01, 19,327.41 and 11,162.42

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Solution

The fourth proportional to 12,949.01, 19,327.41 and 11,162.42 is: 16,660.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.01 : 19,327.41 = 11,162.42 : x
  2. Step 2: Convert to fraction form
    12,949.01/19,327.41 = 11,162.42/x
  3. Step 3: Cross multiply
    12,949.01x = 19,327.41 × 11,162.42
  4. Step 4: Simplify right side
    12,949.01x = 215,740,571.30
  5. Step 5: Solve for x
    x = 215,740,571.30/12,949.01
  6. Step 6: Final answer
    x = 16,660.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.