Home / 21,205.73-29,262.77-11,773.69

Finding the Fourth Proportional to 21,205.73, 29,262.77 and 11,773.69

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Solution

The fourth proportional to 21,205.73, 29,262.77 and 11,773.69 is: 16,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,205.73 : 29,262.77 = 11,773.69 : x
  2. Step 2: Convert to fraction form
    21,205.73/29,262.77 = 11,773.69/x
  3. Step 3: Cross multiply
    21,205.73x = 29,262.77 × 11,773.69
  4. Step 4: Simplify right side
    21,205.73x = 344,530,694.65
  5. Step 5: Solve for x
    x = 344,530,694.65/21,205.73
  6. Step 6: Final answer
    x = 16,247.05

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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.