Home / 13,883.85-20,825.76-4,523.86

Finding the Fourth Proportional to 13,883.85, 20,825.76 and 4,523.86

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Solution

The fourth proportional to 13,883.85, 20,825.76 and 4,523.86 is: 6,785.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,883.85 : 20,825.76 = 4,523.86 : x
  2. Step 2: Convert to fraction form
    13,883.85/20,825.76 = 4,523.86/x
  3. Step 3: Cross multiply
    13,883.85x = 20,825.76 × 4,523.86
  4. Step 4: Simplify right side
    13,883.85x = 94,212,770.57
  5. Step 5: Solve for x
    x = 94,212,770.57/13,883.85
  6. Step 6: Final answer
    x = 6,785.78

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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.