Home / 20,099.44-27,735.41-11,146.92

Finding the Fourth Proportional to 20,099.44, 27,735.41 and 11,146.92

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Solution

The fourth proportional to 20,099.44, 27,735.41 and 11,146.92 is: 15,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.44 : 27,735.41 = 11,146.92 : x
  2. Step 2: Convert to fraction form
    20,099.44/27,735.41 = 11,146.92/x
  3. Step 3: Cross multiply
    20,099.44x = 27,735.41 × 11,146.92
  4. Step 4: Simplify right side
    20,099.44x = 309,164,257.76
  5. Step 5: Solve for x
    x = 309,164,257.76/20,099.44
  6. Step 6: Final answer
    x = 15,381.73

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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.