Home / 12,515.37-18,757.45-10,951.66

Finding the Fourth Proportional to 12,515.37, 18,757.45 and 10,951.66

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Solution

The fourth proportional to 12,515.37, 18,757.45 and 10,951.66 is: 16,413.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.37 : 18,757.45 = 10,951.66 : x
  2. Step 2: Convert to fraction form
    12,515.37/18,757.45 = 10,951.66/x
  3. Step 3: Cross multiply
    12,515.37x = 18,757.45 × 10,951.66
  4. Step 4: Simplify right side
    12,515.37x = 205,425,214.87
  5. Step 5: Solve for x
    x = 205,425,214.87/12,515.37
  6. Step 6: Final answer
    x = 16,413.83

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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.