Home / 21,481.10-32,226.78-8,994.18

Finding the Fourth Proportional to 21,481.10, 32,226.78 and 8,994.18

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Solution

The fourth proportional to 21,481.10, 32,226.78 and 8,994.18 is: 13,493.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,481.10 : 32,226.78 = 8,994.18 : x
  2. Step 2: Convert to fraction form
    21,481.10/32,226.78 = 8,994.18/x
  3. Step 3: Cross multiply
    21,481.10x = 32,226.78 × 8,994.18
  4. Step 4: Simplify right side
    21,481.10x = 289,853,460.14
  5. Step 5: Solve for x
    x = 289,853,460.14/21,481.10
  6. Step 6: Final answer
    x = 13,493.42

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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.