Home / 20,229.09-27,904.73-12,764.13

Finding the Fourth Proportional to 20,229.09, 27,904.73 and 12,764.13

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Solution

The fourth proportional to 20,229.09, 27,904.73 and 12,764.13 is: 17,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.09 : 27,904.73 = 12,764.13 : x
  2. Step 2: Convert to fraction form
    20,229.09/27,904.73 = 12,764.13/x
  3. Step 3: Cross multiply
    20,229.09x = 27,904.73 × 12,764.13
  4. Step 4: Simplify right side
    20,229.09x = 356,179,601.33
  5. Step 5: Solve for x
    x = 356,179,601.33/20,229.09
  6. Step 6: Final answer
    x = 17,607.30

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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.