Home / 21,481.20-32,233.55-8,334.09

Finding the Fourth Proportional to 21,481.20, 32,233.55 and 8,334.09

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Solution

The fourth proportional to 21,481.20, 32,233.55 and 8,334.09 is: 12,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.20 : 32,233.55 = 8,334.09 : x
  2. Step 2: Convert to fraction form
    21,481.20/32,233.55 = 8,334.09/x
  3. Step 3: Cross multiply
    21,481.20x = 32,233.55 × 8,334.09
  4. Step 4: Simplify right side
    21,481.20x = 268,637,265.05
  5. Step 5: Solve for x
    x = 268,637,265.05/21,481.20
  6. Step 6: Final answer
    x = 12,505.69

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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.