Home / 18,001.92-27,002.56-4,855.68

Finding the Fourth Proportional to 18,001.92, 27,002.56 and 4,855.68

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Solution

The fourth proportional to 18,001.92, 27,002.56 and 4,855.68 is: 7,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,001.92 : 27,002.56 = 4,855.68 : x
  2. Step 2: Convert to fraction form
    18,001.92/27,002.56 = 4,855.68/x
  3. Step 3: Cross multiply
    18,001.92x = 27,002.56 × 4,855.68
  4. Step 4: Simplify right side
    18,001.92x = 131,115,790.54
  5. Step 5: Solve for x
    x = 131,115,790.54/18,001.92
  6. Step 6: Final answer
    x = 7,283.43

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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.