Home / 19,874.02-29,812.41-6,721.95

Finding the Fourth Proportional to 19,874.02, 29,812.41 and 6,721.95

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Solution

The fourth proportional to 19,874.02, 29,812.41 and 6,721.95 is: 10,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.02 : 29,812.41 = 6,721.95 : x
  2. Step 2: Convert to fraction form
    19,874.02/29,812.41 = 6,721.95/x
  3. Step 3: Cross multiply
    19,874.02x = 29,812.41 × 6,721.95
  4. Step 4: Simplify right side
    19,874.02x = 200,397,380.34
  5. Step 5: Solve for x
    x = 200,397,380.34/19,874.02
  6. Step 6: Final answer
    x = 10,083.38

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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.