Home / 11,301.88-16,954.42-4,279.96

Finding the Fourth Proportional to 11,301.88, 16,954.42 and 4,279.96

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Solution

The fourth proportional to 11,301.88, 16,954.42 and 4,279.96 is: 6,420.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.88 : 16,954.42 = 4,279.96 : x
  2. Step 2: Convert to fraction form
    11,301.88/16,954.42 = 4,279.96/x
  3. Step 3: Cross multiply
    11,301.88x = 16,954.42 × 4,279.96
  4. Step 4: Simplify right side
    11,301.88x = 72,564,239.42
  5. Step 5: Solve for x
    x = 72,564,239.42/11,301.88
  6. Step 6: Final answer
    x = 6,420.55

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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.