Home / 12,735.63-19,104.30-3,375.51

Finding the Fourth Proportional to 12,735.63, 19,104.30 and 3,375.51

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Solution

The fourth proportional to 12,735.63, 19,104.30 and 3,375.51 is: 5,063.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.63 : 19,104.30 = 3,375.51 : x
  2. Step 2: Convert to fraction form
    12,735.63/19,104.30 = 3,375.51/x
  3. Step 3: Cross multiply
    12,735.63x = 19,104.30 × 3,375.51
  4. Step 4: Simplify right side
    12,735.63x = 64,486,755.69
  5. Step 5: Solve for x
    x = 64,486,755.69/12,735.63
  6. Step 6: Final answer
    x = 5,063.49

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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.