Home / 12,796.04-19,190.41-8,108.97

Finding the Fourth Proportional to 12,796.04, 19,190.41 and 8,108.97

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Solution

The fourth proportional to 12,796.04, 19,190.41 and 8,108.97 is: 12,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,796.04 : 19,190.41 = 8,108.97 : x
  2. Step 2: Convert to fraction form
    12,796.04/19,190.41 = 8,108.97/x
  3. Step 3: Cross multiply
    12,796.04x = 19,190.41 × 8,108.97
  4. Step 4: Simplify right side
    12,796.04x = 155,614,438.71
  5. Step 5: Solve for x
    x = 155,614,438.71/12,796.04
  6. Step 6: Final answer
    x = 12,161.15

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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.