Home / 18,331.18-25,299.71-11,617.43

Finding the Fourth Proportional to 18,331.18, 25,299.71 and 11,617.43

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Solution

The fourth proportional to 18,331.18, 25,299.71 and 11,617.43 is: 16,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.18 : 25,299.71 = 11,617.43 : x
  2. Step 2: Convert to fraction form
    18,331.18/25,299.71 = 11,617.43/x
  3. Step 3: Cross multiply
    18,331.18x = 25,299.71 × 11,617.43
  4. Step 4: Simplify right side
    18,331.18x = 293,917,468.92
  5. Step 5: Solve for x
    x = 293,917,468.92/18,331.18
  6. Step 6: Final answer
    x = 16,033.75

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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.