Home / 19,620.33-29,426.37-6,469.62

Finding the Fourth Proportional to 19,620.33, 29,426.37 and 6,469.62

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Solution

The fourth proportional to 19,620.33, 29,426.37 and 6,469.62 is: 9,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,620.33 : 29,426.37 = 6,469.62 : x
  2. Step 2: Convert to fraction form
    19,620.33/29,426.37 = 6,469.62/x
  3. Step 3: Cross multiply
    19,620.33x = 29,426.37 × 6,469.62
  4. Step 4: Simplify right side
    19,620.33x = 190,377,431.88
  5. Step 5: Solve for x
    x = 190,377,431.88/19,620.33
  6. Step 6: Final answer
    x = 9,703.07

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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.