Home / 9,872.11-13,621.26-5,892.43

Finding the Fourth Proportional to 9,872.11, 13,621.26 and 5,892.43

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Solution

The fourth proportional to 9,872.11, 13,621.26 and 5,892.43 is: 8,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.11 : 13,621.26 = 5,892.43 : x
  2. Step 2: Convert to fraction form
    9,872.11/13,621.26 = 5,892.43/x
  3. Step 3: Cross multiply
    9,872.11x = 13,621.26 × 5,892.43
  4. Step 4: Simplify right side
    9,872.11x = 80,262,321.06
  5. Step 5: Solve for x
    x = 80,262,321.06/9,872.11
  6. Step 6: Final answer
    x = 8,130.21

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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.