Home / 9,912.86-14,869.79-2,517.39

Finding the Fourth Proportional to 9,912.86, 14,869.79 and 2,517.39

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Solution

The fourth proportional to 9,912.86, 14,869.79 and 2,517.39 is: 3,776.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,912.86 : 14,869.79 = 2,517.39 : x
  2. Step 2: Convert to fraction form
    9,912.86/14,869.79 = 2,517.39/x
  3. Step 3: Cross multiply
    9,912.86x = 14,869.79 × 2,517.39
  4. Step 4: Simplify right side
    9,912.86x = 37,433,048.06
  5. Step 5: Solve for x
    x = 37,433,048.06/9,912.86
  6. Step 6: Final answer
    x = 3,776.21

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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.