Home / 18,124.12-27,180.96-4,976.92

Finding the Fourth Proportional to 18,124.12, 27,180.96 and 4,976.92

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Solution

The fourth proportional to 18,124.12, 27,180.96 and 4,976.92 is: 7,463.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.12 : 27,180.96 = 4,976.92 : x
  2. Step 2: Convert to fraction form
    18,124.12/27,180.96 = 4,976.92/x
  3. Step 3: Cross multiply
    18,124.12x = 27,180.96 × 4,976.92
  4. Step 4: Simplify right side
    18,124.12x = 135,277,463.44
  5. Step 5: Solve for x
    x = 135,277,463.44/18,124.12
  6. Step 6: Final answer
    x = 7,463.95

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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.