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Finding the Fourth Proportional to 18,168.44, 27,252.86 and 6,482.57

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Solution

The fourth proportional to 18,168.44, 27,252.86 and 6,482.57 is: 9,723.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,168.44 : 27,252.86 = 6,482.57 : x
  2. Step 2: Convert to fraction form
    18,168.44/27,252.86 = 6,482.57/x
  3. Step 3: Cross multiply
    18,168.44x = 27,252.86 × 6,482.57
  4. Step 4: Simplify right side
    18,168.44x = 176,668,403.97
  5. Step 5: Solve for x
    x = 176,668,403.97/18,168.44
  6. Step 6: Final answer
    x = 9,723.92

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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.