Home / 12,743.82-19,127.87-5,346.29

Finding the Fourth Proportional to 12,743.82, 19,127.87 and 5,346.29

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Solution

The fourth proportional to 12,743.82, 19,127.87 and 5,346.29 is: 8,024.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,743.82 : 19,127.87 = 5,346.29 : x
  2. Step 2: Convert to fraction form
    12,743.82/19,127.87 = 5,346.29/x
  3. Step 3: Cross multiply
    12,743.82x = 19,127.87 × 5,346.29
  4. Step 4: Simplify right side
    12,743.82x = 102,263,017.73
  5. Step 5: Solve for x
    x = 102,263,017.73/12,743.82
  6. Step 6: Final answer
    x = 8,024.52

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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.