Home / 20,116.73-30,197.16-15,983.30

Finding the Fourth Proportional to 20,116.73, 30,197.16 and 15,983.30

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Solution

The fourth proportional to 20,116.73, 30,197.16 and 15,983.30 is: 23,992.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,116.73 : 30,197.16 = 15,983.30 : x
  2. Step 2: Convert to fraction form
    20,116.73/30,197.16 = 15,983.30/x
  3. Step 3: Cross multiply
    20,116.73x = 30,197.16 × 15,983.30
  4. Step 4: Simplify right side
    20,116.73x = 482,650,116.44
  5. Step 5: Solve for x
    x = 482,650,116.44/20,116.73
  6. Step 6: Final answer
    x = 23,992.48

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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.