Home / 11,825.64-17,734.68-4,429.80

Finding the Fourth Proportional to 11,825.64, 17,734.68 and 4,429.80

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Solution

The fourth proportional to 11,825.64, 17,734.68 and 4,429.80 is: 6,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,825.64 : 17,734.68 = 4,429.80 : x
  2. Step 2: Convert to fraction form
    11,825.64/17,734.68 = 4,429.80/x
  3. Step 3: Cross multiply
    11,825.64x = 17,734.68 × 4,429.80
  4. Step 4: Simplify right side
    11,825.64x = 78,561,085.46
  5. Step 5: Solve for x
    x = 78,561,085.46/11,825.64
  6. Step 6: Final answer
    x = 6,643.28

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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.