Home / 12,627.15-18,943.77-3,862.14

Finding the Fourth Proportional to 12,627.15, 18,943.77 and 3,862.14

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Solution

The fourth proportional to 12,627.15, 18,943.77 and 3,862.14 is: 5,794.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627.15 : 18,943.77 = 3,862.14 : x
  2. Step 2: Convert to fraction form
    12,627.15/18,943.77 = 3,862.14/x
  3. Step 3: Cross multiply
    12,627.15x = 18,943.77 × 3,862.14
  4. Step 4: Simplify right side
    12,627.15x = 73,163,491.87
  5. Step 5: Solve for x
    x = 73,163,491.87/12,627.15
  6. Step 6: Final answer
    x = 5,794.14

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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.