Home / 11,671.21-17,506.78-2,906.13

Finding the Fourth Proportional to 11,671.21, 17,506.78 and 2,906.13

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Solution

The fourth proportional to 11,671.21, 17,506.78 and 2,906.13 is: 4,359.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,671.21 : 17,506.78 = 2,906.13 : x
  2. Step 2: Convert to fraction form
    11,671.21/17,506.78 = 2,906.13/x
  3. Step 3: Cross multiply
    11,671.21x = 17,506.78 × 2,906.13
  4. Step 4: Simplify right side
    11,671.21x = 50,876,978.56
  5. Step 5: Solve for x
    x = 50,876,978.56/11,671.21
  6. Step 6: Final answer
    x = 4,359.19

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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.