Home / 19,809.29-29,718.03-6,661.33

Finding the Fourth Proportional to 19,809.29, 29,718.03 and 6,661.33

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Solution

The fourth proportional to 19,809.29, 29,718.03 and 6,661.33 is: 9,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809.29 : 29,718.03 = 6,661.33 : x
  2. Step 2: Convert to fraction form
    19,809.29/29,718.03 = 6,661.33/x
  3. Step 3: Cross multiply
    19,809.29x = 29,718.03 × 6,661.33
  4. Step 4: Simplify right side
    19,809.29x = 197,961,604.78
  5. Step 5: Solve for x
    x = 197,961,604.78/19,809.29
  6. Step 6: Final answer
    x = 9,993.37

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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.