Home / 9,218.12-13,821.62-3,672.32

Finding the Fourth Proportional to 9,218.12, 13,821.62 and 3,672.32

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Solution

The fourth proportional to 9,218.12, 13,821.62 and 3,672.32 is: 5,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,218.12 : 13,821.62 = 3,672.32 : x
  2. Step 2: Convert to fraction form
    9,218.12/13,821.62 = 3,672.32/x
  3. Step 3: Cross multiply
    9,218.12x = 13,821.62 × 3,672.32
  4. Step 4: Simplify right side
    9,218.12x = 50,757,411.56
  5. Step 5: Solve for x
    x = 50,757,411.56/9,218.12
  6. Step 6: Final answer
    x = 5,506.27

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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.