Home / 11,926.38-17,897.79-4,906.86

Finding the Fourth Proportional to 11,926.38, 17,897.79 and 4,906.86

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Solution

The fourth proportional to 11,926.38, 17,897.79 and 4,906.86 is: 7,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,926.38 : 17,897.79 = 4,906.86 : x
  2. Step 2: Convert to fraction form
    11,926.38/17,897.79 = 4,906.86/x
  3. Step 3: Cross multiply
    11,926.38x = 17,897.79 × 4,906.86
  4. Step 4: Simplify right side
    11,926.38x = 87,821,949.84
  5. Step 5: Solve for x
    x = 87,821,949.84/11,926.38
  6. Step 6: Final answer
    x = 7,363.67

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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.