Home / 21,546.96-32,320.85-6,755.55

Finding the Fourth Proportional to 21,546.96, 32,320.85 and 6,755.55

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Solution

The fourth proportional to 21,546.96, 32,320.85 and 6,755.55 is: 10,133.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,546.96 : 32,320.85 = 6,755.55 : x
  2. Step 2: Convert to fraction form
    21,546.96/32,320.85 = 6,755.55/x
  3. Step 3: Cross multiply
    21,546.96x = 32,320.85 × 6,755.55
  4. Step 4: Simplify right side
    21,546.96x = 218,345,084.44
  5. Step 5: Solve for x
    x = 218,345,084.44/21,546.96
  6. Step 6: Final answer
    x = 10,133.45

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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.