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Finding the Fourth Proportional to 17,912.68, 26,862 and 10,519

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Solution

The fourth proportional to 17,912.68, 26,862 and 10,519 is: 15,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,912.68 : 26,862 = 10,519 : x
  2. Step 2: Convert to fraction form
    17,912.68/26,862 = 10,519/x
  3. Step 3: Cross multiply
    17,912.68x = 26,862 × 10,519
  4. Step 4: Simplify right side
    17,912.68x = 282,561,378
  5. Step 5: Solve for x
    x = 282,561,378/17,912.68
  6. Step 6: Final answer
    x = 15,774.38

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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.