Home / 19,286.78-28,932.92-5,960.93

Finding the Fourth Proportional to 19,286.78, 28,932.92 and 5,960.93

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Solution

The fourth proportional to 19,286.78, 28,932.92 and 5,960.93 is: 8,942.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,286.78 : 28,932.92 = 5,960.93 : x
  2. Step 2: Convert to fraction form
    19,286.78/28,932.92 = 5,960.93/x
  3. Step 3: Cross multiply
    19,286.78x = 28,932.92 × 5,960.93
  4. Step 4: Simplify right side
    19,286.78x = 172,466,936.35
  5. Step 5: Solve for x
    x = 172,466,936.35/19,286.78
  6. Step 6: Final answer
    x = 8,942.24

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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.