Home / 21,607.44-29,818.12-12,179.04

Finding the Fourth Proportional to 21,607.44, 29,818.12 and 12,179.04

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Solution

The fourth proportional to 21,607.44, 29,818.12 and 12,179.04 is: 16,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,607.44 : 29,818.12 = 12,179.04 : x
  2. Step 2: Convert to fraction form
    21,607.44/29,818.12 = 12,179.04/x
  3. Step 3: Cross multiply
    21,607.44x = 29,818.12 × 12,179.04
  4. Step 4: Simplify right side
    21,607.44x = 363,156,076.20
  5. Step 5: Solve for x
    x = 363,156,076.20/21,607.44
  6. Step 6: Final answer
    x = 16,806.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.