Home / 13,512.14-20,261.54-4,149.92

Finding the Fourth Proportional to 13,512.14, 20,261.54 and 4,149.92

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Solution

The fourth proportional to 13,512.14, 20,261.54 and 4,149.92 is: 6,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.14 : 20,261.54 = 4,149.92 : x
  2. Step 2: Convert to fraction form
    13,512.14/20,261.54 = 4,149.92/x
  3. Step 3: Cross multiply
    13,512.14x = 20,261.54 × 4,149.92
  4. Step 4: Simplify right side
    13,512.14x = 84,083,770.08
  5. Step 5: Solve for x
    x = 84,083,770.08/13,512.14
  6. Step 6: Final answer
    x = 6,222.83

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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.