Home / 18,310.46-25,264.35-11,936.48

Finding the Fourth Proportional to 18,310.46, 25,264.35 and 11,936.48

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Solution

The fourth proportional to 18,310.46, 25,264.35 and 11,936.48 is: 16,469.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.46 : 25,264.35 = 11,936.48 : x
  2. Step 2: Convert to fraction form
    18,310.46/25,264.35 = 11,936.48/x
  3. Step 3: Cross multiply
    18,310.46x = 25,264.35 × 11,936.48
  4. Step 4: Simplify right side
    18,310.46x = 301,567,282.17
  5. Step 5: Solve for x
    x = 301,567,282.17/18,310.46
  6. Step 6: Final answer
    x = 16,469.68

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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.