Home / 12,231.43-16,882.40-6,929.37

Finding the Fourth Proportional to 12,231.43, 16,882.40 and 6,929.37

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Solution

The fourth proportional to 12,231.43, 16,882.40 and 6,929.37 is: 9,564.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231.43 : 16,882.40 = 6,929.37 : x
  2. Step 2: Convert to fraction form
    12,231.43/16,882.40 = 6,929.37/x
  3. Step 3: Cross multiply
    12,231.43x = 16,882.40 × 6,929.37
  4. Step 4: Simplify right side
    12,231.43x = 116,984,413.41
  5. Step 5: Solve for x
    x = 116,984,413.41/12,231.43
  6. Step 6: Final answer
    x = 9,564.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.