Home / 20,619.48-30,927.46-6,578.94

Finding the Fourth Proportional to 20,619.48, 30,927.46 and 6,578.94

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Solution

The fourth proportional to 20,619.48, 30,927.46 and 6,578.94 is: 9,867.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619.48 : 30,927.46 = 6,578.94 : x
  2. Step 2: Convert to fraction form
    20,619.48/30,927.46 = 6,578.94/x
  3. Step 3: Cross multiply
    20,619.48x = 30,927.46 × 6,578.94
  4. Step 4: Simplify right side
    20,619.48x = 203,469,903.69
  5. Step 5: Solve for x
    x = 203,469,903.69/20,619.48
  6. Step 6: Final answer
    x = 9,867.85

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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.