Home / 9,515.62-14,274.80-2,942.32

Finding the Fourth Proportional to 9,515.62, 14,274.80 and 2,942.32

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Solution

The fourth proportional to 9,515.62, 14,274.80 and 2,942.32 is: 4,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,515.62 : 14,274.80 = 2,942.32 : x
  2. Step 2: Convert to fraction form
    9,515.62/14,274.80 = 2,942.32/x
  3. Step 3: Cross multiply
    9,515.62x = 14,274.80 × 2,942.32
  4. Step 4: Simplify right side
    9,515.62x = 42,001,029.54
  5. Step 5: Solve for x
    x = 42,001,029.54/9,515.62
  6. Step 6: Final answer
    x = 4,413.90

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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.