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Finding the Fourth Proportional to 18,224.88, 27,339 and 8,362.72

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Solution

The fourth proportional to 18,224.88, 27,339 and 8,362.72 is: 12,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,224.88 : 27,339 = 8,362.72 : x
  2. Step 2: Convert to fraction form
    18,224.88/27,339 = 8,362.72/x
  3. Step 3: Cross multiply
    18,224.88x = 27,339 × 8,362.72
  4. Step 4: Simplify right side
    18,224.88x = 228,628,402.08
  5. Step 5: Solve for x
    x = 228,628,402.08/18,224.88
  6. Step 6: Final answer
    x = 12,544.85

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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.