Home / 10,338.26-15,505.05-2,942.55

Finding the Fourth Proportional to 10,338.26, 15,505.05 and 2,942.55

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Solution

The fourth proportional to 10,338.26, 15,505.05 and 2,942.55 is: 4,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.26 : 15,505.05 = 2,942.55 : x
  2. Step 2: Convert to fraction form
    10,338.26/15,505.05 = 2,942.55/x
  3. Step 3: Cross multiply
    10,338.26x = 15,505.05 × 2,942.55
  4. Step 4: Simplify right side
    10,338.26x = 45,624,384.88
  5. Step 5: Solve for x
    x = 45,624,384.88/10,338.26
  6. Step 6: Final answer
    x = 4,413.16

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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.