Home / 10,719.62-16,080.94-3,324.68

Finding the Fourth Proportional to 10,719.62, 16,080.94 and 3,324.68

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Solution

The fourth proportional to 10,719.62, 16,080.94 and 3,324.68 is: 4,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,719.62 : 16,080.94 = 3,324.68 : x
  2. Step 2: Convert to fraction form
    10,719.62/16,080.94 = 3,324.68/x
  3. Step 3: Cross multiply
    10,719.62x = 16,080.94 × 3,324.68
  4. Step 4: Simplify right side
    10,719.62x = 53,463,979.60
  5. Step 5: Solve for x
    x = 53,463,979.60/10,719.62
  6. Step 6: Final answer
    x = 4,987.49

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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.