Home / 18,785.24-28,179.75-6,942.13

Finding the Fourth Proportional to 18,785.24, 28,179.75 and 6,942.13

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Solution

The fourth proportional to 18,785.24, 28,179.75 and 6,942.13 is: 10,413.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,785.24 : 28,179.75 = 6,942.13 : x
  2. Step 2: Convert to fraction form
    18,785.24/28,179.75 = 6,942.13/x
  3. Step 3: Cross multiply
    18,785.24x = 28,179.75 × 6,942.13
  4. Step 4: Simplify right side
    18,785.24x = 195,627,384.88
  5. Step 5: Solve for x
    x = 195,627,384.88/18,785.24
  6. Step 6: Final answer
    x = 10,413.89

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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.