Home / 19,997.94-27,587.98-11,612.82

Finding the Fourth Proportional to 19,997.94, 27,587.98 and 11,612.82

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Solution

The fourth proportional to 19,997.94, 27,587.98 and 11,612.82 is: 16,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.94 : 27,587.98 = 11,612.82 : x
  2. Step 2: Convert to fraction form
    19,997.94/27,587.98 = 11,612.82/x
  3. Step 3: Cross multiply
    19,997.94x = 27,587.98 × 11,612.82
  4. Step 4: Simplify right side
    19,997.94x = 320,374,245.90
  5. Step 5: Solve for x
    x = 320,374,245.90/19,997.94
  6. Step 6: Final answer
    x = 16,020.36

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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.