Home / 12,738.84-19,080.38-9,029.82

Finding the Fourth Proportional to 12,738.84, 19,080.38 and 9,029.82

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Solution

The fourth proportional to 12,738.84, 19,080.38 and 9,029.82 is: 13,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,738.84 : 19,080.38 = 9,029.82 : x
  2. Step 2: Convert to fraction form
    12,738.84/19,080.38 = 9,029.82/x
  3. Step 3: Cross multiply
    12,738.84x = 19,080.38 × 9,029.82
  4. Step 4: Simplify right side
    12,738.84x = 172,292,396.93
  5. Step 5: Solve for x
    x = 172,292,396.93/12,738.84
  6. Step 6: Final answer
    x = 13,524.97

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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.