Home / 19,922.53-27,492.07-10,968.31

Finding the Fourth Proportional to 19,922.53, 27,492.07 and 10,968.31

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Solution

The fourth proportional to 19,922.53, 27,492.07 and 10,968.31 is: 15,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.53 : 27,492.07 = 10,968.31 : x
  2. Step 2: Convert to fraction form
    19,922.53/27,492.07 = 10,968.31/x
  3. Step 3: Cross multiply
    19,922.53x = 27,492.07 × 10,968.31
  4. Step 4: Simplify right side
    19,922.53x = 301,541,546.30
  5. Step 5: Solve for x
    x = 301,541,546.30/19,922.53
  6. Step 6: Final answer
    x = 15,135.71

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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.