Home / 18,290.05-25,243.55-11,837.64

Finding the Fourth Proportional to 18,290.05, 25,243.55 and 11,837.64

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Solution

The fourth proportional to 18,290.05, 25,243.55 and 11,837.64 is: 16,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.05 : 25,243.55 = 11,837.64 : x
  2. Step 2: Convert to fraction form
    18,290.05/25,243.55 = 11,837.64/x
  3. Step 3: Cross multiply
    18,290.05x = 25,243.55 × 11,837.64
  4. Step 4: Simplify right side
    18,290.05x = 298,824,137.09
  5. Step 5: Solve for x
    x = 298,824,137.09/18,290.05
  6. Step 6: Final answer
    x = 16,338.07

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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.