Home / 18,630.68-27,945.62-8,764.49

Finding the Fourth Proportional to 18,630.68, 27,945.62 and 8,764.49

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Solution

The fourth proportional to 18,630.68, 27,945.62 and 8,764.49 is: 13,146.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,630.68 : 27,945.62 = 8,764.49 : x
  2. Step 2: Convert to fraction form
    18,630.68/27,945.62 = 8,764.49/x
  3. Step 3: Cross multiply
    18,630.68x = 27,945.62 × 8,764.49
  4. Step 4: Simplify right side
    18,630.68x = 244,929,063.21
  5. Step 5: Solve for x
    x = 244,929,063.21/18,630.68
  6. Step 6: Final answer
    x = 13,146.54

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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.