Home / 16,887.06-25,336.06-8,120.84

Finding the Fourth Proportional to 16,887.06, 25,336.06 and 8,120.84

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Solution

The fourth proportional to 16,887.06, 25,336.06 and 8,120.84 is: 12,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.06 : 25,336.06 = 8,120.84 : x
  2. Step 2: Convert to fraction form
    16,887.06/25,336.06 = 8,120.84/x
  3. Step 3: Cross multiply
    16,887.06x = 25,336.06 × 8,120.84
  4. Step 4: Simplify right side
    16,887.06x = 205,749,942.51
  5. Step 5: Solve for x
    x = 205,749,942.51/16,887.06
  6. Step 6: Final answer
    x = 12,183.88

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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.