Home / 17,299.98-25,855.17-12,629.82

Finding the Fourth Proportional to 17,299.98, 25,855.17 and 12,629.82

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Solution

The fourth proportional to 17,299.98, 25,855.17 and 12,629.82 is: 18,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,299.98 : 25,855.17 = 12,629.82 : x
  2. Step 2: Convert to fraction form
    17,299.98/25,855.17 = 12,629.82/x
  3. Step 3: Cross multiply
    17,299.98x = 25,855.17 × 12,629.82
  4. Step 4: Simplify right side
    17,299.98x = 326,546,143.17
  5. Step 5: Solve for x
    x = 326,546,143.17/17,299.98
  6. Step 6: Final answer
    x = 18,875.52

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.