Home / 21,954.08-30,299.16-12,524

Finding the Fourth Proportional to 21,954.08, 30,299.16 and 12,524

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Solution

The fourth proportional to 21,954.08, 30,299.16 and 12,524 is: 17,284.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,954.08 : 30,299.16 = 12,524 : x
  2. Step 2: Convert to fraction form
    21,954.08/30,299.16 = 12,524/x
  3. Step 3: Cross multiply
    21,954.08x = 30,299.16 × 12,524
  4. Step 4: Simplify right side
    21,954.08x = 379,466,679.84
  5. Step 5: Solve for x
    x = 379,466,679.84/21,954.08
  6. Step 6: Final answer
    x = 17,284.56

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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.