Home / 13,961.96-20,944.08-5,194.76

Finding the Fourth Proportional to 13,961.96, 20,944.08 and 5,194.76

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Solution

The fourth proportional to 13,961.96, 20,944.08 and 5,194.76 is: 7,792.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.96 : 20,944.08 = 5,194.76 : x
  2. Step 2: Convert to fraction form
    13,961.96/20,944.08 = 5,194.76/x
  3. Step 3: Cross multiply
    13,961.96x = 20,944.08 × 5,194.76
  4. Step 4: Simplify right side
    13,961.96x = 108,799,469.02
  5. Step 5: Solve for x
    x = 108,799,469.02/13,961.96
  6. Step 6: Final answer
    x = 7,792.56

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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.