Home / 19,958.22-27,541.98-11,006.55

Finding the Fourth Proportional to 19,958.22, 27,541.98 and 11,006.55

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Solution

The fourth proportional to 19,958.22, 27,541.98 and 11,006.55 is: 15,188.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.22 : 27,541.98 = 11,006.55 : x
  2. Step 2: Convert to fraction form
    19,958.22/27,541.98 = 11,006.55/x
  3. Step 3: Cross multiply
    19,958.22x = 27,541.98 × 11,006.55
  4. Step 4: Simplify right side
    19,958.22x = 303,142,179.97
  5. Step 5: Solve for x
    x = 303,142,179.97/19,958.22
  6. Step 6: Final answer
    x = 15,188.84

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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.