Home / 12,968.38-19,448.49-4,201.26

Finding the Fourth Proportional to 12,968.38, 19,448.49 and 4,201.26

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Solution

The fourth proportional to 12,968.38, 19,448.49 and 4,201.26 is: 6,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,968.38 : 19,448.49 = 4,201.26 : x
  2. Step 2: Convert to fraction form
    12,968.38/19,448.49 = 4,201.26/x
  3. Step 3: Cross multiply
    12,968.38x = 19,448.49 × 4,201.26
  4. Step 4: Simplify right side
    12,968.38x = 81,708,163.10
  5. Step 5: Solve for x
    x = 81,708,163.10/12,968.38
  6. Step 6: Final answer
    x = 6,300.57

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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.