Home / 12,627.45-18,943.30-3,860.31

Finding the Fourth Proportional to 12,627.45, 18,943.30 and 3,860.31

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Solution

The fourth proportional to 12,627.45, 18,943.30 and 3,860.31 is: 5,791.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.45 : 18,943.30 = 3,860.31 : x
  2. Step 2: Convert to fraction form
    12,627.45/18,943.30 = 3,860.31/x
  3. Step 3: Cross multiply
    12,627.45x = 18,943.30 × 3,860.31
  4. Step 4: Simplify right side
    12,627.45x = 73,127,010.42
  5. Step 5: Solve for x
    x = 73,127,010.42/12,627.45
  6. Step 6: Final answer
    x = 5,791.11

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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.