Home / 18,054.06-27,081.10-6,960.50

Finding the Fourth Proportional to 18,054.06, 27,081.10 and 6,960.50

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Solution

The fourth proportional to 18,054.06, 27,081.10 and 6,960.50 is: 10,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,054.06 : 27,081.10 = 6,960.50 : x
  2. Step 2: Convert to fraction form
    18,054.06/27,081.10 = 6,960.50/x
  3. Step 3: Cross multiply
    18,054.06x = 27,081.10 × 6,960.50
  4. Step 4: Simplify right side
    18,054.06x = 188,497,996.55
  5. Step 5: Solve for x
    x = 188,497,996.55/18,054.06
  6. Step 6: Final answer
    x = 10,440.75

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Similar ratio
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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.