Home / 18,112.44-27,162.18-9,798.60

Finding the Fourth Proportional to 18,112.44, 27,162.18 and 9,798.60

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Solution

The fourth proportional to 18,112.44, 27,162.18 and 9,798.60 is: 14,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,112.44 : 27,162.18 = 9,798.60 : x
  2. Step 2: Convert to fraction form
    18,112.44/27,162.18 = 9,798.60/x
  3. Step 3: Cross multiply
    18,112.44x = 27,162.18 × 9,798.60
  4. Step 4: Simplify right side
    18,112.44x = 266,151,336.95
  5. Step 5: Solve for x
    x = 266,151,336.95/18,112.44
  6. Step 6: Final answer
    x = 14,694.39

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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.