Home / 12,623.26-18,976.83-8,951.80

Finding the Fourth Proportional to 12,623.26, 18,976.83 and 8,951.80

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Solution

The fourth proportional to 12,623.26, 18,976.83 and 8,951.80 is: 13,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.26 : 18,976.83 = 8,951.80 : x
  2. Step 2: Convert to fraction form
    12,623.26/18,976.83 = 8,951.80/x
  3. Step 3: Cross multiply
    12,623.26x = 18,976.83 × 8,951.80
  4. Step 4: Simplify right side
    12,623.26x = 169,876,786.79
  5. Step 5: Solve for x
    x = 169,876,786.79/12,623.26
  6. Step 6: Final answer
    x = 13,457.44

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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.