Home / 19,936.80-29,908.85-8,250.93

Finding the Fourth Proportional to 19,936.80, 29,908.85 and 8,250.93

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Solution

The fourth proportional to 19,936.80, 29,908.85 and 8,250.93 is: 12,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,936.80 : 29,908.85 = 8,250.93 : x
  2. Step 2: Convert to fraction form
    19,936.80/29,908.85 = 8,250.93/x
  3. Step 3: Cross multiply
    19,936.80x = 29,908.85 × 8,250.93
  4. Step 4: Simplify right side
    19,936.80x = 246,775,786.48
  5. Step 5: Solve for x
    x = 246,775,786.48/19,936.80
  6. Step 6: Final answer
    x = 12,377.90

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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.