Home / 18,116.50-27,164.09-8,250.39

Finding the Fourth Proportional to 18,116.50, 27,164.09 and 8,250.39

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Solution

The fourth proportional to 18,116.50, 27,164.09 and 8,250.39 is: 12,370.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.50 : 27,164.09 = 8,250.39 : x
  2. Step 2: Convert to fraction form
    18,116.50/27,164.09 = 8,250.39/x
  3. Step 3: Cross multiply
    18,116.50x = 27,164.09 × 8,250.39
  4. Step 4: Simplify right side
    18,116.50x = 224,114,336.50
  5. Step 5: Solve for x
    x = 224,114,336.50/18,116.50
  6. Step 6: Final answer
    x = 12,370.73

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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.