Home / 18,436.20-27,654.38-4,585.20

Finding the Fourth Proportional to 18,436.20, 27,654.38 and 4,585.20

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Solution

The fourth proportional to 18,436.20, 27,654.38 and 4,585.20 is: 6,877.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,436.20 : 27,654.38 = 4,585.20 : x
  2. Step 2: Convert to fraction form
    18,436.20/27,654.38 = 4,585.20/x
  3. Step 3: Cross multiply
    18,436.20x = 27,654.38 × 4,585.20
  4. Step 4: Simplify right side
    18,436.20x = 126,800,736.37
  5. Step 5: Solve for x
    x = 126,800,736.37/18,436.20
  6. Step 6: Final answer
    x = 6,877.81

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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.