Home / 11,295.78-16,946.10-3,906.15

Finding the Fourth Proportional to 11,295.78, 16,946.10 and 3,906.15

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Solution

The fourth proportional to 11,295.78, 16,946.10 and 3,906.15 is: 5,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295.78 : 16,946.10 = 3,906.15 : x
  2. Step 2: Convert to fraction form
    11,295.78/16,946.10 = 3,906.15/x
  3. Step 3: Cross multiply
    11,295.78x = 16,946.10 × 3,906.15
  4. Step 4: Simplify right side
    11,295.78x = 66,194,008.52
  5. Step 5: Solve for x
    x = 66,194,008.52/11,295.78
  6. Step 6: Final answer
    x = 5,860.07

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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.