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Finding the Fourth Proportional to 11,778.28, 17,671.44 and 5,933.32

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Solution

The fourth proportional to 11,778.28, 17,671.44 and 5,933.32 is: 8,902.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,778.28 : 17,671.44 = 5,933.32 : x
  2. Step 2: Convert to fraction form
    11,778.28/17,671.44 = 5,933.32/x
  3. Step 3: Cross multiply
    11,778.28x = 17,671.44 × 5,933.32
  4. Step 4: Simplify right side
    11,778.28x = 104,850,308.38
  5. Step 5: Solve for x
    x = 104,850,308.38/11,778.28
  6. Step 6: Final answer
    x = 8,902.01

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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.