Home / 10,161.30-15,249.24-4,322.04

Finding the Fourth Proportional to 10,161.30, 15,249.24 and 4,322.04

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Solution

The fourth proportional to 10,161.30, 15,249.24 and 4,322.04 is: 6,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.30 : 15,249.24 = 4,322.04 : x
  2. Step 2: Convert to fraction form
    10,161.30/15,249.24 = 4,322.04/x
  3. Step 3: Cross multiply
    10,161.30x = 15,249.24 × 4,322.04
  4. Step 4: Simplify right side
    10,161.30x = 65,907,825.25
  5. Step 5: Solve for x
    x = 65,907,825.25/10,161.30
  6. Step 6: Final answer
    x = 6,486.16

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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.