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Finding the Fourth Proportional to 18,000.43, 27,005.00 and 6,755.87

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Solution

The fourth proportional to 18,000.43, 27,005.00 and 6,755.87 is: 10,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,000.43 : 27,005.00 = 6,755.87 : x
  2. Step 2: Convert to fraction form
    18,000.43/27,005.00 = 6,755.87/x
  3. Step 3: Cross multiply
    18,000.43x = 27,005.00 × 6,755.87
  4. Step 4: Simplify right side
    18,000.43x = 182,442,303.08
  5. Step 5: Solve for x
    x = 182,442,303.08/18,000.43
  6. Step 6: Final answer
    x = 10,135.44

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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.