Home / 13,961.22-20,940.80-4,101.27

Finding the Fourth Proportional to 13,961.22, 20,940.80 and 4,101.27

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Solution

The fourth proportional to 13,961.22, 20,940.80 and 4,101.27 is: 6,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.22 : 20,940.80 = 4,101.27 : x
  2. Step 2: Convert to fraction form
    13,961.22/20,940.80 = 4,101.27/x
  3. Step 3: Cross multiply
    13,961.22x = 20,940.80 × 4,101.27
  4. Step 4: Simplify right side
    13,961.22x = 85,883,798.85
  5. Step 5: Solve for x
    x = 85,883,798.85/13,961.22
  6. Step 6: Final answer
    x = 6,151.60

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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.