Home / 19,830.49-29,739.66-6,679.33

Finding the Fourth Proportional to 19,830.49, 29,739.66 and 6,679.33

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Solution

The fourth proportional to 19,830.49, 29,739.66 and 6,679.33 is: 10,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,830.49 : 29,739.66 = 6,679.33 : x
  2. Step 2: Convert to fraction form
    19,830.49/29,739.66 = 6,679.33/x
  3. Step 3: Cross multiply
    19,830.49x = 29,739.66 × 6,679.33
  4. Step 4: Simplify right side
    19,830.49x = 198,641,003.23
  5. Step 5: Solve for x
    x = 198,641,003.23/19,830.49
  6. Step 6: Final answer
    x = 10,016.95

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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.