Home / 11,521.11-17,281.05-3,729.31

Finding the Fourth Proportional to 11,521.11, 17,281.05 and 3,729.31

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Solution

The fourth proportional to 11,521.11, 17,281.05 and 3,729.31 is: 5,593.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,521.11 : 17,281.05 = 3,729.31 : x
  2. Step 2: Convert to fraction form
    11,521.11/17,281.05 = 3,729.31/x
  3. Step 3: Cross multiply
    11,521.11x = 17,281.05 × 3,729.31
  4. Step 4: Simplify right side
    11,521.11x = 64,446,392.58
  5. Step 5: Solve for x
    x = 64,446,392.58/11,521.11
  6. Step 6: Final answer
    x = 5,593.77

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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.