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Finding the Fourth Proportional to 18,118.76, 27,179.04 and 6,273.11

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Solution

The fourth proportional to 18,118.76, 27,179.04 and 6,273.11 is: 9,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.76 : 27,179.04 = 6,273.11 : x
  2. Step 2: Convert to fraction form
    18,118.76/27,179.04 = 6,273.11/x
  3. Step 3: Cross multiply
    18,118.76x = 27,179.04 × 6,273.11
  4. Step 4: Simplify right side
    18,118.76x = 170,497,199.09
  5. Step 5: Solve for x
    x = 170,497,199.09/18,118.76
  6. Step 6: Final answer
    x = 9,409.98

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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.