Home / 13,067.92-19,603.25-8,654.28

Finding the Fourth Proportional to 13,067.92, 19,603.25 and 8,654.28

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Solution

The fourth proportional to 13,067.92, 19,603.25 and 8,654.28 is: 12,982.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.92 : 19,603.25 = 8,654.28 : x
  2. Step 2: Convert to fraction form
    13,067.92/19,603.25 = 8,654.28/x
  3. Step 3: Cross multiply
    13,067.92x = 19,603.25 × 8,654.28
  4. Step 4: Simplify right side
    13,067.92x = 169,652,014.41
  5. Step 5: Solve for x
    x = 169,652,014.41/13,067.92
  6. Step 6: Final answer
    x = 12,982.33

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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.