Home / 20,051.82-27,671.97-11,099.70

Finding the Fourth Proportional to 20,051.82, 27,671.97 and 11,099.70

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Solution

The fourth proportional to 20,051.82, 27,671.97 and 11,099.70 is: 15,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.82 : 27,671.97 = 11,099.70 : x
  2. Step 2: Convert to fraction form
    20,051.82/27,671.97 = 11,099.70/x
  3. Step 3: Cross multiply
    20,051.82x = 27,671.97 × 11,099.70
  4. Step 4: Simplify right side
    20,051.82x = 307,150,565.41
  5. Step 5: Solve for x
    x = 307,150,565.41/20,051.82
  6. Step 6: Final answer
    x = 15,317.84

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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.