Home / 20,253.97-30,380.96-16,783.93

Finding the Fourth Proportional to 20,253.97, 30,380.96 and 16,783.93

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Solution

The fourth proportional to 20,253.97, 30,380.96 and 16,783.93 is: 25,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253.97 : 30,380.96 = 16,783.93 : x
  2. Step 2: Convert to fraction form
    20,253.97/30,380.96 = 16,783.93/x
  3. Step 3: Cross multiply
    20,253.97x = 30,380.96 × 16,783.93
  4. Step 4: Simplify right side
    20,253.97x = 509,912,047.75
  5. Step 5: Solve for x
    x = 509,912,047.75/20,253.97
  6. Step 6: Final answer
    x = 25,175.90

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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.