Home / 11,289.76-16,935.45-3,894.11

Finding the Fourth Proportional to 11,289.76, 16,935.45 and 3,894.11

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Solution

The fourth proportional to 11,289.76, 16,935.45 and 3,894.11 is: 5,841.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,289.76 : 16,935.45 = 3,894.11 : x
  2. Step 2: Convert to fraction form
    11,289.76/16,935.45 = 3,894.11/x
  3. Step 3: Cross multiply
    11,289.76x = 16,935.45 × 3,894.11
  4. Step 4: Simplify right side
    11,289.76x = 65,948,505.20
  5. Step 5: Solve for x
    x = 65,948,505.20/11,289.76
  6. Step 6: Final answer
    x = 5,841.44

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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.