Home / 20,654.89-30,982.64-5,863.84

Finding the Fourth Proportional to 20,654.89, 30,982.64 and 5,863.84

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Solution

The fourth proportional to 20,654.89, 30,982.64 and 5,863.84 is: 8,795.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654.89 : 30,982.64 = 5,863.84 : x
  2. Step 2: Convert to fraction form
    20,654.89/30,982.64 = 5,863.84/x
  3. Step 3: Cross multiply
    20,654.89x = 30,982.64 × 5,863.84
  4. Step 4: Simplify right side
    20,654.89x = 181,677,243.74
  5. Step 5: Solve for x
    x = 181,677,243.74/20,654.89
  6. Step 6: Final answer
    x = 8,795.85

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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.