Home / 18,268.92-25,208.88-10,310.64

Finding the Fourth Proportional to 18,268.92, 25,208.88 and 10,310.64

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Solution

The fourth proportional to 18,268.92, 25,208.88 and 10,310.64 is: 14,227.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,268.92 : 25,208.88 = 10,310.64 : x
  2. Step 2: Convert to fraction form
    18,268.92/25,208.88 = 10,310.64/x
  3. Step 3: Cross multiply
    18,268.92x = 25,208.88 × 10,310.64
  4. Step 4: Simplify right side
    18,268.92x = 259,919,686.48
  5. Step 5: Solve for x
    x = 259,919,686.48/18,268.92
  6. Step 6: Final answer
    x = 14,227.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.