Home / 20,099.46-27,736.31-11,146.77

Finding the Fourth Proportional to 20,099.46, 27,736.31 and 11,146.77

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Solution

The fourth proportional to 20,099.46, 27,736.31 and 11,146.77 is: 15,382.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.46 : 27,736.31 = 11,146.77 : x
  2. Step 2: Convert to fraction form
    20,099.46/27,736.31 = 11,146.77/x
  3. Step 3: Cross multiply
    20,099.46x = 27,736.31 × 11,146.77
  4. Step 4: Simplify right side
    20,099.46x = 309,170,212.48
  5. Step 5: Solve for x
    x = 309,170,212.48/20,099.46
  6. Step 6: Final answer
    x = 15,382.02

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1.5x scale

Why These Related Problems?

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