Home / 11,824.39-17,738.40-4,031.38

Finding the Fourth Proportional to 11,824.39, 17,738.40 and 4,031.38

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Solution

The fourth proportional to 11,824.39, 17,738.40 and 4,031.38 is: 6,047.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,824.39 : 17,738.40 = 4,031.38 : x
  2. Step 2: Convert to fraction form
    11,824.39/17,738.40 = 4,031.38/x
  3. Step 3: Cross multiply
    11,824.39x = 17,738.40 × 4,031.38
  4. Step 4: Simplify right side
    11,824.39x = 71,510,142.30
  5. Step 5: Solve for x
    x = 71,510,142.30/11,824.39
  6. Step 6: Final answer
    x = 6,047.68

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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.