Home / 16,906.64-25,323.84-13,729.76

Finding the Fourth Proportional to 16,906.64, 25,323.84 and 13,729.76

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Solution

The fourth proportional to 16,906.64, 25,323.84 and 13,729.76 is: 20,565.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,906.64 : 25,323.84 = 13,729.76 : x
  2. Step 2: Convert to fraction form
    16,906.64/25,323.84 = 13,729.76/x
  3. Step 3: Cross multiply
    16,906.64x = 25,323.84 × 13,729.76
  4. Step 4: Simplify right side
    16,906.64x = 347,690,245.48
  5. Step 5: Solve for x
    x = 347,690,245.48/16,906.64
  6. Step 6: Final answer
    x = 20,565.31

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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.