Home / 12,627.70-18,943.68-3,860.56

Finding the Fourth Proportional to 12,627.70, 18,943.68 and 3,860.56

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Solution

The fourth proportional to 12,627.70, 18,943.68 and 3,860.56 is: 5,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.70 : 18,943.68 = 3,860.56 : x
  2. Step 2: Convert to fraction form
    12,627.70/18,943.68 = 3,860.56/x
  3. Step 3: Cross multiply
    12,627.70x = 18,943.68 × 3,860.56
  4. Step 4: Simplify right side
    12,627.70x = 73,133,213.26
  5. Step 5: Solve for x
    x = 73,133,213.26/12,627.70
  6. Step 6: Final answer
    x = 5,791.49

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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.