Home / 19,858.68-29,788.00-5,067.60

Finding the Fourth Proportional to 19,858.68, 29,788.00 and 5,067.60

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Solution

The fourth proportional to 19,858.68, 29,788.00 and 5,067.60 is: 7,601.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.68 : 29,788.00 = 5,067.60 : x
  2. Step 2: Convert to fraction form
    19,858.68/29,788.00 = 5,067.60/x
  3. Step 3: Cross multiply
    19,858.68x = 29,788.00 × 5,067.60
  4. Step 4: Simplify right side
    19,858.68x = 150,953,651.47
  5. Step 5: Solve for x
    x = 150,953,651.47/19,858.68
  6. Step 6: Final answer
    x = 7,601.39

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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.