Home / 18,833.25-28,250.46-6,989.97

Finding the Fourth Proportional to 18,833.25, 28,250.46 and 6,989.97

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Solution

The fourth proportional to 18,833.25, 28,250.46 and 6,989.97 is: 10,485.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.25 : 28,250.46 = 6,989.97 : x
  2. Step 2: Convert to fraction form
    18,833.25/28,250.46 = 6,989.97/x
  3. Step 3: Cross multiply
    18,833.25x = 28,250.46 × 6,989.97
  4. Step 4: Simplify right side
    18,833.25x = 197,469,867.89
  5. Step 5: Solve for x
    x = 197,469,867.89/18,833.25
  6. Step 6: Final answer
    x = 10,485.17

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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.