Home / 19,977.94-29,972.22-6,830.29

Finding the Fourth Proportional to 19,977.94, 29,972.22 and 6,830.29

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Solution

The fourth proportional to 19,977.94, 29,972.22 and 6,830.29 is: 10,247.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,977.94 : 29,972.22 = 6,830.29 : x
  2. Step 2: Convert to fraction form
    19,977.94/29,972.22 = 6,830.29/x
  3. Step 3: Cross multiply
    19,977.94x = 29,972.22 × 6,830.29
  4. Step 4: Simplify right side
    19,977.94x = 204,718,954.54
  5. Step 5: Solve for x
    x = 204,718,954.54/19,977.94
  6. Step 6: Final answer
    x = 10,247.25

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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.