Home / 16,887.44-25,336.62-8,121.21

Finding the Fourth Proportional to 16,887.44, 25,336.62 and 8,121.21

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Solution

The fourth proportional to 16,887.44, 25,336.62 and 8,121.21 is: 12,184.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.44 : 25,336.62 = 8,121.21 : x
  2. Step 2: Convert to fraction form
    16,887.44/25,336.62 = 8,121.21/x
  3. Step 3: Cross multiply
    16,887.44x = 25,336.62 × 8,121.21
  4. Step 4: Simplify right side
    16,887.44x = 205,764,011.71
  5. Step 5: Solve for x
    x = 205,764,011.71/16,887.44
  6. Step 6: Final answer
    x = 12,184.44

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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.