Home / 21,671.04-29,906.16-11,735.04

Finding the Fourth Proportional to 21,671.04, 29,906.16 and 11,735.04

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Solution

The fourth proportional to 21,671.04, 29,906.16 and 11,735.04 is: 16,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,671.04 : 29,906.16 = 11,735.04 : x
  2. Step 2: Convert to fraction form
    21,671.04/29,906.16 = 11,735.04/x
  3. Step 3: Cross multiply
    21,671.04x = 29,906.16 × 11,735.04
  4. Step 4: Simplify right side
    21,671.04x = 350,949,983.85
  5. Step 5: Solve for x
    x = 350,949,983.85/21,671.04
  6. Step 6: Final answer
    x = 16,194.42

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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.