Home / 9,968.72-13,756.20-5,990

Finding the Fourth Proportional to 9,968.72, 13,756.20 and 5,990

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Solution

The fourth proportional to 9,968.72, 13,756.20 and 5,990 is: 8,265.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,968.72 : 13,756.20 = 5,990 : x
  2. Step 2: Convert to fraction form
    9,968.72/13,756.20 = 5,990/x
  3. Step 3: Cross multiply
    9,968.72x = 13,756.20 × 5,990
  4. Step 4: Simplify right side
    9,968.72x = 82,399,638
  5. Step 5: Solve for x
    x = 82,399,638/9,968.72
  6. Step 6: Final answer
    x = 8,265.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.