Home / 12,858.24-19,286.36-5,067.12

Finding the Fourth Proportional to 12,858.24, 19,286.36 and 5,067.12

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Solution

The fourth proportional to 12,858.24, 19,286.36 and 5,067.12 is: 7,600.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.24 : 19,286.36 = 5,067.12 : x
  2. Step 2: Convert to fraction form
    12,858.24/19,286.36 = 5,067.12/x
  3. Step 3: Cross multiply
    12,858.24x = 19,286.36 × 5,067.12
  4. Step 4: Simplify right side
    12,858.24x = 97,726,300.48
  5. Step 5: Solve for x
    x = 97,726,300.48/12,858.24
  6. Step 6: Final answer
    x = 7,600.29

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Double scale
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Similar ratio
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1.5x scale

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.