Home / 20,099.24-27,736.46-11,146.68

Finding the Fourth Proportional to 20,099.24, 27,736.46 and 11,146.68

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Solution

The fourth proportional to 20,099.24, 27,736.46 and 11,146.68 is: 15,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.24 : 27,736.46 = 11,146.68 : x
  2. Step 2: Convert to fraction form
    20,099.24/27,736.46 = 11,146.68/x
  3. Step 3: Cross multiply
    20,099.24x = 27,736.46 × 11,146.68
  4. Step 4: Simplify right side
    20,099.24x = 309,169,443.95
  5. Step 5: Solve for x
    x = 309,169,443.95/20,099.24
  6. Step 6: Final answer
    x = 15,382.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.