Home / 13,942.92-20,914.41-9,801.44

Finding the Fourth Proportional to 13,942.92, 20,914.41 and 9,801.44

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Solution

The fourth proportional to 13,942.92, 20,914.41 and 9,801.44 is: 14,702.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.92 : 20,914.41 = 9,801.44 : x
  2. Step 2: Convert to fraction form
    13,942.92/20,914.41 = 9,801.44/x
  3. Step 3: Cross multiply
    13,942.92x = 20,914.41 × 9,801.44
  4. Step 4: Simplify right side
    13,942.92x = 204,991,230.18
  5. Step 5: Solve for x
    x = 204,991,230.18/13,942.92
  6. Step 6: Final answer
    x = 14,702.17

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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.