Home / 18,425.43-27,583.07-11,287.18

Finding the Fourth Proportional to 18,425.43, 27,583.07 and 11,287.18

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Solution

The fourth proportional to 18,425.43, 27,583.07 and 11,287.18 is: 16,897.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,425.43 : 27,583.07 = 11,287.18 : x
  2. Step 2: Convert to fraction form
    18,425.43/27,583.07 = 11,287.18/x
  3. Step 3: Cross multiply
    18,425.43x = 27,583.07 × 11,287.18
  4. Step 4: Simplify right side
    18,425.43x = 311,335,156.58
  5. Step 5: Solve for x
    x = 311,335,156.58/18,425.43
  6. Step 6: Final answer
    x = 16,897.03

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1.5x scale

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.