Home / 10,934.54-16,397.78-3,912.64

Finding the Fourth Proportional to 10,934.54, 16,397.78 and 3,912.64

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Solution

The fourth proportional to 10,934.54, 16,397.78 and 3,912.64 is: 5,867.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,934.54 : 16,397.78 = 3,912.64 : x
  2. Step 2: Convert to fraction form
    10,934.54/16,397.78 = 3,912.64/x
  3. Step 3: Cross multiply
    10,934.54x = 16,397.78 × 3,912.64
  4. Step 4: Simplify right side
    10,934.54x = 64,158,609.94
  5. Step 5: Solve for x
    x = 64,158,609.94/10,934.54
  6. Step 6: Final answer
    x = 5,867.52

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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.