Home / 21,753.80-32,630.22-6,171.56

Finding the Fourth Proportional to 21,753.80, 32,630.22 and 6,171.56

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Solution

The fourth proportional to 21,753.80, 32,630.22 and 6,171.56 is: 9,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,753.80 : 32,630.22 = 6,171.56 : x
  2. Step 2: Convert to fraction form
    21,753.80/32,630.22 = 6,171.56/x
  3. Step 3: Cross multiply
    21,753.80x = 32,630.22 × 6,171.56
  4. Step 4: Simplify right side
    21,753.80x = 201,379,360.54
  5. Step 5: Solve for x
    x = 201,379,360.54/21,753.80
  6. Step 6: Final answer
    x = 9,257.20

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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.