Home / 11,361.18-17,029.17-8,578.83

Finding the Fourth Proportional to 11,361.18, 17,029.17 and 8,578.83

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Solution

The fourth proportional to 11,361.18, 17,029.17 and 8,578.83 is: 12,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,361.18 : 17,029.17 = 8,578.83 : x
  2. Step 2: Convert to fraction form
    11,361.18/17,029.17 = 8,578.83/x
  3. Step 3: Cross multiply
    11,361.18x = 17,029.17 × 8,578.83
  4. Step 4: Simplify right side
    11,361.18x = 146,090,354.47
  5. Step 5: Solve for x
    x = 146,090,354.47/11,361.18
  6. Step 6: Final answer
    x = 12,858.73

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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.