Home / 9,515.45-14,273.86-2,942.15

Finding the Fourth Proportional to 9,515.45, 14,273.86 and 2,942.15

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Solution

The fourth proportional to 9,515.45, 14,273.86 and 2,942.15 is: 4,413.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.45 : 14,273.86 = 2,942.15 : x
  2. Step 2: Convert to fraction form
    9,515.45/14,273.86 = 2,942.15/x
  3. Step 3: Cross multiply
    9,515.45x = 14,273.86 × 2,942.15
  4. Step 4: Simplify right side
    9,515.45x = 41,995,837.20
  5. Step 5: Solve for x
    x = 41,995,837.20/9,515.45
  6. Step 6: Final answer
    x = 4,413.44

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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.