Home / 12,376.38-18,564.27-3,611.37

Finding the Fourth Proportional to 12,376.38, 18,564.27 and 3,611.37

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Solution

The fourth proportional to 12,376.38, 18,564.27 and 3,611.37 is: 5,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.38 : 18,564.27 = 3,611.37 : x
  2. Step 2: Convert to fraction form
    12,376.38/18,564.27 = 3,611.37/x
  3. Step 3: Cross multiply
    12,376.38x = 18,564.27 × 3,611.37
  4. Step 4: Simplify right side
    12,376.38x = 67,042,447.75
  5. Step 5: Solve for x
    x = 67,042,447.75/12,376.38
  6. Step 6: Final answer
    x = 5,416.97

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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.