Home / 9,986.22-14,975.82-3,410.64

Finding the Fourth Proportional to 9,986.22, 14,975.82 and 3,410.64

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Solution

The fourth proportional to 9,986.22, 14,975.82 and 3,410.64 is: 5,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.22 : 14,975.82 = 3,410.64 : x
  2. Step 2: Convert to fraction form
    9,986.22/14,975.82 = 3,410.64/x
  3. Step 3: Cross multiply
    9,986.22x = 14,975.82 × 3,410.64
  4. Step 4: Simplify right side
    9,986.22x = 51,077,130.72
  5. Step 5: Solve for x
    x = 51,077,130.72/9,986.22
  6. Step 6: Final answer
    x = 5,114.76

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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.