Home / 18,625.42-27,938.50-6,936.28

Finding the Fourth Proportional to 18,625.42, 27,938.50 and 6,936.28

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Solution

The fourth proportional to 18,625.42, 27,938.50 and 6,936.28 is: 10,404.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.42 : 27,938.50 = 6,936.28 : x
  2. Step 2: Convert to fraction form
    18,625.42/27,938.50 = 6,936.28/x
  3. Step 3: Cross multiply
    18,625.42x = 27,938.50 × 6,936.28
  4. Step 4: Simplify right side
    18,625.42x = 193,789,258.78
  5. Step 5: Solve for x
    x = 193,789,258.78/18,625.42
  6. Step 6: Final answer
    x = 10,404.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.