Home / 18,257.40-25,194.78-10,299.96

Finding the Fourth Proportional to 18,257.40, 25,194.78 and 10,299.96

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Solution

The fourth proportional to 18,257.40, 25,194.78 and 10,299.96 is: 14,213.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,257.40 : 25,194.78 = 10,299.96 : x
  2. Step 2: Convert to fraction form
    18,257.40/25,194.78 = 10,299.96/x
  3. Step 3: Cross multiply
    18,257.40x = 25,194.78 × 10,299.96
  4. Step 4: Simplify right side
    18,257.40x = 259,505,226.21
  5. Step 5: Solve for x
    x = 259,505,226.21/18,257.40
  6. Step 6: Final answer
    x = 14,213.70

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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.