Home / 19,425.49-29,135.09-6,943.39

Finding the Fourth Proportional to 19,425.49, 29,135.09 and 6,943.39

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Solution

The fourth proportional to 19,425.49, 29,135.09 and 6,943.39 is: 10,413.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.49 : 29,135.09 = 6,943.39 : x
  2. Step 2: Convert to fraction form
    19,425.49/29,135.09 = 6,943.39/x
  3. Step 3: Cross multiply
    19,425.49x = 29,135.09 × 6,943.39
  4. Step 4: Simplify right side
    19,425.49x = 202,296,237.08
  5. Step 5: Solve for x
    x = 202,296,237.08/19,425.49
  6. Step 6: Final answer
    x = 10,413.96

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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.