Home / 18,219.34-27,310.38-8,365.96

Finding the Fourth Proportional to 18,219.34, 27,310.38 and 8,365.96

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Solution

The fourth proportional to 18,219.34, 27,310.38 and 8,365.96 is: 12,540.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.34 : 27,310.38 = 8,365.96 : x
  2. Step 2: Convert to fraction form
    18,219.34/27,310.38 = 8,365.96/x
  3. Step 3: Cross multiply
    18,219.34x = 27,310.38 × 8,365.96
  4. Step 4: Simplify right side
    18,219.34x = 228,477,546.66
  5. Step 5: Solve for x
    x = 228,477,546.66/18,219.34
  6. Step 6: Final answer
    x = 12,540.39

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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.