Home / 13,252.78-19,871.60-5,452.30

Finding the Fourth Proportional to 13,252.78, 19,871.60 and 5,452.30

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Solution

The fourth proportional to 13,252.78, 19,871.60 and 5,452.30 is: 8,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,252.78 : 19,871.60 = 5,452.30 : x
  2. Step 2: Convert to fraction form
    13,252.78/19,871.60 = 5,452.30/x
  3. Step 3: Cross multiply
    13,252.78x = 19,871.60 × 5,452.30
  4. Step 4: Simplify right side
    13,252.78x = 108,345,924.68
  5. Step 5: Solve for x
    x = 108,345,924.68/13,252.78
  6. Step 6: Final answer
    x = 8,175.34

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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.