Home / 13,961.31-20,939.46-4,601.44

Finding the Fourth Proportional to 13,961.31, 20,939.46 and 4,601.44

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Solution

The fourth proportional to 13,961.31, 20,939.46 and 4,601.44 is: 6,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.31 : 20,939.46 = 4,601.44 : x
  2. Step 2: Convert to fraction form
    13,961.31/20,939.46 = 4,601.44/x
  3. Step 3: Cross multiply
    13,961.31x = 20,939.46 × 4,601.44
  4. Step 4: Simplify right side
    13,961.31x = 96,351,668.82
  5. Step 5: Solve for x
    x = 96,351,668.82/13,961.31
  6. Step 6: Final answer
    x = 6,901.33

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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.