Home / 21,481.00-32,231.05-8,334.38

Finding the Fourth Proportional to 21,481.00, 32,231.05 and 8,334.38

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Solution

The fourth proportional to 21,481.00, 32,231.05 and 8,334.38 is: 12,505.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.00 : 32,231.05 = 8,334.38 : x
  2. Step 2: Convert to fraction form
    21,481.00/32,231.05 = 8,334.38/x
  3. Step 3: Cross multiply
    21,481.00x = 32,231.05 × 8,334.38
  4. Step 4: Simplify right side
    21,481.00x = 268,625,878.24
  5. Step 5: Solve for x
    x = 268,625,878.24/21,481.00
  6. Step 6: Final answer
    x = 12,505.28

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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.