Home / 18,119.62-24,993.57-13,091.23

Finding the Fourth Proportional to 18,119.62, 24,993.57 and 13,091.23

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Solution

The fourth proportional to 18,119.62, 24,993.57 and 13,091.23 is: 18,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,119.62 : 24,993.57 = 13,091.23 : x
  2. Step 2: Convert to fraction form
    18,119.62/24,993.57 = 13,091.23/x
  3. Step 3: Cross multiply
    18,119.62x = 24,993.57 × 13,091.23
  4. Step 4: Simplify right side
    18,119.62x = 327,196,573.39
  5. Step 5: Solve for x
    x = 327,196,573.39/18,119.62
  6. Step 6: Final answer
    x = 18,057.58

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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.