Home / 15,824.70-23,716.28-11,645.14

Finding the Fourth Proportional to 15,824.70, 23,716.28 and 11,645.14

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Solution

The fourth proportional to 15,824.70, 23,716.28 and 11,645.14 is: 17,452.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,824.70 : 23,716.28 = 11,645.14 : x
  2. Step 2: Convert to fraction form
    15,824.70/23,716.28 = 11,645.14/x
  3. Step 3: Cross multiply
    15,824.70x = 23,716.28 × 11,645.14
  4. Step 4: Simplify right side
    15,824.70x = 276,179,400.88
  5. Step 5: Solve for x
    x = 276,179,400.88/15,824.70
  6. Step 6: Final answer
    x = 17,452.43

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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.