Home / 19,906.38-29,863.85-6,579.95

Finding the Fourth Proportional to 19,906.38, 29,863.85 and 6,579.95

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Solution

The fourth proportional to 19,906.38, 29,863.85 and 6,579.95 is: 9,871.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.38 : 29,863.85 = 6,579.95 : x
  2. Step 2: Convert to fraction form
    19,906.38/29,863.85 = 6,579.95/x
  3. Step 3: Cross multiply
    19,906.38x = 29,863.85 × 6,579.95
  4. Step 4: Simplify right side
    19,906.38x = 196,502,457.59
  5. Step 5: Solve for x
    x = 196,502,457.59/19,906.38
  6. Step 6: Final answer
    x = 9,871.33

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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.