Home / 18,220.62-27,335.10-9,453.58

Finding the Fourth Proportional to 18,220.62, 27,335.10 and 9,453.58

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Solution

The fourth proportional to 18,220.62, 27,335.10 and 9,453.58 is: 14,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.62 : 27,335.10 = 9,453.58 : x
  2. Step 2: Convert to fraction form
    18,220.62/27,335.10 = 9,453.58/x
  3. Step 3: Cross multiply
    18,220.62x = 27,335.10 × 9,453.58
  4. Step 4: Simplify right side
    18,220.62x = 258,414,554.66
  5. Step 5: Solve for x
    x = 258,414,554.66/18,220.62
  6. Step 6: Final answer
    x = 14,182.53

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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.