Home / 20,305.73-30,464.44-10,310.09

Finding the Fourth Proportional to 20,305.73, 30,464.44 and 10,310.09

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Solution

The fourth proportional to 20,305.73, 30,464.44 and 10,310.09 is: 15,468.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,305.73 : 30,464.44 = 10,310.09 : x
  2. Step 2: Convert to fraction form
    20,305.73/30,464.44 = 10,310.09/x
  3. Step 3: Cross multiply
    20,305.73x = 30,464.44 × 10,310.09
  4. Step 4: Simplify right side
    20,305.73x = 314,090,940.10
  5. Step 5: Solve for x
    x = 314,090,940.10/20,305.73
  6. Step 6: Final answer
    x = 15,468.09

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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.