Home / 12,392.72-18,584.24-4,493.36

Finding the Fourth Proportional to 12,392.72, 18,584.24 and 4,493.36

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Solution

The fourth proportional to 12,392.72, 18,584.24 and 4,493.36 is: 6,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,392.72 : 18,584.24 = 4,493.36 : x
  2. Step 2: Convert to fraction form
    12,392.72/18,584.24 = 4,493.36/x
  3. Step 3: Cross multiply
    12,392.72x = 18,584.24 × 4,493.36
  4. Step 4: Simplify right side
    12,392.72x = 83,505,680.65
  5. Step 5: Solve for x
    x = 83,505,680.65/12,392.72
  6. Step 6: Final answer
    x = 6,738.29

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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.