Home / 12,261.62-18,391.91-3,496.52

Finding the Fourth Proportional to 12,261.62, 18,391.91 and 3,496.52

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Solution

The fourth proportional to 12,261.62, 18,391.91 and 3,496.52 is: 5,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.62 : 18,391.91 = 3,496.52 : x
  2. Step 2: Convert to fraction form
    12,261.62/18,391.91 = 3,496.52/x
  3. Step 3: Cross multiply
    12,261.62x = 18,391.91 × 3,496.52
  4. Step 4: Simplify right side
    12,261.62x = 64,307,571.71
  5. Step 5: Solve for x
    x = 64,307,571.71/12,261.62
  6. Step 6: Final answer
    x = 5,244.62

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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.