Home / 19,936.08-29,907.90-8,249.40

Finding the Fourth Proportional to 19,936.08, 29,907.90 and 8,249.40

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Solution

The fourth proportional to 19,936.08, 29,907.90 and 8,249.40 is: 12,375.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.08 : 29,907.90 = 8,249.40 : x
  2. Step 2: Convert to fraction form
    19,936.08/29,907.90 = 8,249.40/x
  3. Step 3: Cross multiply
    19,936.08x = 29,907.90 × 8,249.40
  4. Step 4: Simplify right side
    19,936.08x = 246,722,230.26
  5. Step 5: Solve for x
    x = 246,722,230.26/19,936.08
  6. Step 6: Final answer
    x = 12,375.66

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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.