Home / 18,801.27-25,957.68-11,738.07

Finding the Fourth Proportional to 18,801.27, 25,957.68 and 11,738.07

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Solution

The fourth proportional to 18,801.27, 25,957.68 and 11,738.07 is: 16,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.27 : 25,957.68 = 11,738.07 : x
  2. Step 2: Convert to fraction form
    18,801.27/25,957.68 = 11,738.07/x
  3. Step 3: Cross multiply
    18,801.27x = 25,957.68 × 11,738.07
  4. Step 4: Simplify right side
    18,801.27x = 304,693,064.88
  5. Step 5: Solve for x
    x = 304,693,064.88/18,801.27
  6. Step 6: Final answer
    x = 16,205.98

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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.