Home / 18,649.29-25,727.33-11,091.39

Finding the Fourth Proportional to 18,649.29, 25,727.33 and 11,091.39

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Solution

The fourth proportional to 18,649.29, 25,727.33 and 11,091.39 is: 15,300.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,649.29 : 25,727.33 = 11,091.39 : x
  2. Step 2: Convert to fraction form
    18,649.29/25,727.33 = 11,091.39/x
  3. Step 3: Cross multiply
    18,649.29x = 25,727.33 × 11,091.39
  4. Step 4: Simplify right side
    18,649.29x = 285,351,850.69
  5. Step 5: Solve for x
    x = 285,351,850.69/18,649.29
  6. Step 6: Final answer
    x = 15,300.95

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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.