Home / 12,747.71-19,127.25-6,504.43

Finding the Fourth Proportional to 12,747.71, 19,127.25 and 6,504.43

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Solution

The fourth proportional to 12,747.71, 19,127.25 and 6,504.43 is: 9,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,747.71 : 19,127.25 = 6,504.43 : x
  2. Step 2: Convert to fraction form
    12,747.71/19,127.25 = 6,504.43/x
  3. Step 3: Cross multiply
    12,747.71x = 19,127.25 × 6,504.43
  4. Step 4: Simplify right side
    12,747.71x = 124,411,858.72
  5. Step 5: Solve for x
    x = 124,411,858.72/12,747.71
  6. Step 6: Final answer
    x = 9,759.55

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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.