Home / 12,634.07-18,951.84-3,869.06

Finding the Fourth Proportional to 12,634.07, 18,951.84 and 3,869.06

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Solution

The fourth proportional to 12,634.07, 18,951.84 and 3,869.06 is: 5,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,634.07 : 18,951.84 = 3,869.06 : x
  2. Step 2: Convert to fraction form
    12,634.07/18,951.84 = 3,869.06/x
  3. Step 3: Cross multiply
    12,634.07x = 18,951.84 × 3,869.06
  4. Step 4: Simplify right side
    12,634.07x = 73,325,711.31
  5. Step 5: Solve for x
    x = 73,325,711.31/12,634.07
  6. Step 6: Final answer
    x = 5,803.81

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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.