Home / 19,863.54-29,785.68-11,545.95

Finding the Fourth Proportional to 19,863.54, 29,785.68 and 11,545.95

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Solution

The fourth proportional to 19,863.54, 29,785.68 and 11,545.95 is: 17,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.54 : 29,785.68 = 11,545.95 : x
  2. Step 2: Convert to fraction form
    19,863.54/29,785.68 = 11,545.95/x
  3. Step 3: Cross multiply
    19,863.54x = 29,785.68 × 11,545.95
  4. Step 4: Simplify right side
    19,863.54x = 343,903,972.00
  5. Step 5: Solve for x
    x = 343,903,972.00/19,863.54
  6. Step 6: Final answer
    x = 17,313.33

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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.