Home / 11,212.59-16,826.18-4,287.09

Finding the Fourth Proportional to 11,212.59, 16,826.18 and 4,287.09

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Solution

The fourth proportional to 11,212.59, 16,826.18 and 4,287.09 is: 6,433.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.59 : 16,826.18 = 4,287.09 : x
  2. Step 2: Convert to fraction form
    11,212.59/16,826.18 = 4,287.09/x
  3. Step 3: Cross multiply
    11,212.59x = 16,826.18 × 4,287.09
  4. Step 4: Simplify right side
    11,212.59x = 72,135,413.79
  5. Step 5: Solve for x
    x = 72,135,413.79/11,212.59
  6. Step 6: Final answer
    x = 6,433.43

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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.