Home / 18,171.69-27,245.93-8,680.11

Finding the Fourth Proportional to 18,171.69, 27,245.93 and 8,680.11

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Solution

The fourth proportional to 18,171.69, 27,245.93 and 8,680.11 is: 13,014.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,171.69 : 27,245.93 = 8,680.11 : x
  2. Step 2: Convert to fraction form
    18,171.69/27,245.93 = 8,680.11/x
  3. Step 3: Cross multiply
    18,171.69x = 27,245.93 × 8,680.11
  4. Step 4: Simplify right side
    18,171.69x = 236,497,626.05
  5. Step 5: Solve for x
    x = 236,497,626.05/18,171.69
  6. Step 6: Final answer
    x = 13,014.62

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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.