Home / 20,652.97-30,981.48-6,609.46

Finding the Fourth Proportional to 20,652.97, 30,981.48 and 6,609.46

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Solution

The fourth proportional to 20,652.97, 30,981.48 and 6,609.46 is: 9,914.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,652.97 : 30,981.48 = 6,609.46 : x
  2. Step 2: Convert to fraction form
    20,652.97/30,981.48 = 6,609.46/x
  3. Step 3: Cross multiply
    20,652.97x = 30,981.48 × 6,609.46
  4. Step 4: Simplify right side
    20,652.97x = 204,770,775.35
  5. Step 5: Solve for x
    x = 204,770,775.35/20,652.97
  6. Step 6: Final answer
    x = 9,914.84

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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.