Home / 12,629.93-18,942.73-3,745.06

Finding the Fourth Proportional to 12,629.93, 18,942.73 and 3,745.06

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Solution

The fourth proportional to 12,629.93, 18,942.73 and 3,745.06 is: 5,616.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,629.93 : 18,942.73 = 3,745.06 : x
  2. Step 2: Convert to fraction form
    12,629.93/18,942.73 = 3,745.06/x
  3. Step 3: Cross multiply
    12,629.93x = 18,942.73 × 3,745.06
  4. Step 4: Simplify right side
    12,629.93x = 70,941,603.69
  5. Step 5: Solve for x
    x = 70,941,603.69/12,629.93
  6. Step 6: Final answer
    x = 5,616.95

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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.