Home / 16,861.56-25,289.86-6,729.88

Finding the Fourth Proportional to 16,861.56, 25,289.86 and 6,729.88

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Solution

The fourth proportional to 16,861.56, 25,289.86 and 6,729.88 is: 10,093.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.56 : 25,289.86 = 6,729.88 : x
  2. Step 2: Convert to fraction form
    16,861.56/25,289.86 = 6,729.88/x
  3. Step 3: Cross multiply
    16,861.56x = 25,289.86 × 6,729.88
  4. Step 4: Simplify right side
    16,861.56x = 170,197,723.02
  5. Step 5: Solve for x
    x = 170,197,723.02/16,861.56
  6. Step 6: Final answer
    x = 10,093.83

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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.