Home / 13,203.78-19,791.66-6,177.87

Finding the Fourth Proportional to 13,203.78, 19,791.66 and 6,177.87

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Solution

The fourth proportional to 13,203.78, 19,791.66 and 6,177.87 is: 9,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,203.78 : 19,791.66 = 6,177.87 : x
  2. Step 2: Convert to fraction form
    13,203.78/19,791.66 = 6,177.87/x
  3. Step 3: Cross multiply
    13,203.78x = 19,791.66 × 6,177.87
  4. Step 4: Simplify right side
    13,203.78x = 122,270,302.56
  5. Step 5: Solve for x
    x = 122,270,302.56/13,203.78
  6. Step 6: Final answer
    x = 9,260.25

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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.