Home / 12,824.66-19,236.79-10,628.75

Finding the Fourth Proportional to 12,824.66, 19,236.79 and 10,628.75

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Solution

The fourth proportional to 12,824.66, 19,236.79 and 10,628.75 is: 15,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,824.66 : 19,236.79 = 10,628.75 : x
  2. Step 2: Convert to fraction form
    12,824.66/19,236.79 = 10,628.75/x
  3. Step 3: Cross multiply
    12,824.66x = 19,236.79 × 10,628.75
  4. Step 4: Simplify right side
    12,824.66x = 204,463,093.09
  5. Step 5: Solve for x
    x = 204,463,093.09/12,824.66
  6. Step 6: Final answer
    x = 15,942.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.