Home / 13,254.78-19,891.26-5,463.54

Finding the Fourth Proportional to 13,254.78, 19,891.26 and 5,463.54

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Solution

The fourth proportional to 13,254.78, 19,891.26 and 5,463.54 is: 8,199.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,254.78 : 19,891.26 = 5,463.54 : x
  2. Step 2: Convert to fraction form
    13,254.78/19,891.26 = 5,463.54/x
  3. Step 3: Cross multiply
    13,254.78x = 19,891.26 × 5,463.54
  4. Step 4: Simplify right side
    13,254.78x = 108,676,694.66
  5. Step 5: Solve for x
    x = 108,676,694.66/13,254.78
  6. Step 6: Final answer
    x = 8,199.06

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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.