Home / 21,551.56-32,327.34-6,761.66

Finding the Fourth Proportional to 21,551.56, 32,327.34 and 6,761.66

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Solution

The fourth proportional to 21,551.56, 32,327.34 and 6,761.66 is: 10,142.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,551.56 : 32,327.34 = 6,761.66 : x
  2. Step 2: Convert to fraction form
    21,551.56/32,327.34 = 6,761.66/x
  3. Step 3: Cross multiply
    21,551.56x = 32,327.34 × 6,761.66
  4. Step 4: Simplify right side
    21,551.56x = 218,586,481.78
  5. Step 5: Solve for x
    x = 218,586,481.78/21,551.56
  6. Step 6: Final answer
    x = 10,142.49

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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.