Home / 19,376.72-29,076.24-10,949.90

Finding the Fourth Proportional to 19,376.72, 29,076.24 and 10,949.90

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Solution

The fourth proportional to 19,376.72, 29,076.24 and 10,949.90 is: 16,431.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.72 : 29,076.24 = 10,949.90 : x
  2. Step 2: Convert to fraction form
    19,376.72/29,076.24 = 10,949.90/x
  3. Step 3: Cross multiply
    19,376.72x = 29,076.24 × 10,949.90
  4. Step 4: Simplify right side
    19,376.72x = 318,381,920.38
  5. Step 5: Solve for x
    x = 318,381,920.38/19,376.72
  6. Step 6: Final answer
    x = 16,431.16

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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.