Home / 21,979.56-32,954.68-7,183.29

Finding the Fourth Proportional to 21,979.56, 32,954.68 and 7,183.29

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Solution

The fourth proportional to 21,979.56, 32,954.68 and 7,183.29 is: 10,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,979.56 : 32,954.68 = 7,183.29 : x
  2. Step 2: Convert to fraction form
    21,979.56/32,954.68 = 7,183.29/x
  3. Step 3: Cross multiply
    21,979.56x = 32,954.68 × 7,183.29
  4. Step 4: Simplify right side
    21,979.56x = 236,723,023.30
  5. Step 5: Solve for x
    x = 236,723,023.30/21,979.56
  6. Step 6: Final answer
    x = 10,770.14

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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.