Home / 12,442.82-17,163.48-11,612.44

Finding the Fourth Proportional to 12,442.82, 17,163.48 and 11,612.44

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Solution

The fourth proportional to 12,442.82, 17,163.48 and 11,612.44 is: 16,018.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.82 : 17,163.48 = 11,612.44 : x
  2. Step 2: Convert to fraction form
    12,442.82/17,163.48 = 11,612.44/x
  3. Step 3: Cross multiply
    12,442.82x = 17,163.48 × 11,612.44
  4. Step 4: Simplify right side
    12,442.82x = 199,309,881.69
  5. Step 5: Solve for x
    x = 199,309,881.69/12,442.82
  6. Step 6: Final answer
    x = 16,018.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.