Home / 12,095.97-18,143.09-3,211.11

Finding the Fourth Proportional to 12,095.97, 18,143.09 and 3,211.11

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Solution

The fourth proportional to 12,095.97, 18,143.09 and 3,211.11 is: 4,816.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.97 : 18,143.09 = 3,211.11 : x
  2. Step 2: Convert to fraction form
    12,095.97/18,143.09 = 3,211.11/x
  3. Step 3: Cross multiply
    12,095.97x = 18,143.09 × 3,211.11
  4. Step 4: Simplify right side
    12,095.97x = 58,259,453.72
  5. Step 5: Solve for x
    x = 58,259,453.72/12,095.97
  6. Step 6: Final answer
    x = 4,816.44

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1.5x scale

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.