Home / 11,321.07-16,980.53-3,529.95

Finding the Fourth Proportional to 11,321.07, 16,980.53 and 3,529.95

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Solution

The fourth proportional to 11,321.07, 16,980.53 and 3,529.95 is: 5,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.07 : 16,980.53 = 3,529.95 : x
  2. Step 2: Convert to fraction form
    11,321.07/16,980.53 = 3,529.95/x
  3. Step 3: Cross multiply
    11,321.07x = 16,980.53 × 3,529.95
  4. Step 4: Simplify right side
    11,321.07x = 59,940,404.22
  5. Step 5: Solve for x
    x = 59,940,404.22/11,321.07
  6. Step 6: Final answer
    x = 5,294.59

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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.