Home / 14,651.27-21,961.41-4,787.90

Finding the Fourth Proportional to 14,651.27, 21,961.41 and 4,787.90

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Solution

The fourth proportional to 14,651.27, 21,961.41 and 4,787.90 is: 7,176.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.27 : 21,961.41 = 4,787.90 : x
  2. Step 2: Convert to fraction form
    14,651.27/21,961.41 = 4,787.90/x
  3. Step 3: Cross multiply
    14,651.27x = 21,961.41 × 4,787.90
  4. Step 4: Simplify right side
    14,651.27x = 105,149,034.94
  5. Step 5: Solve for x
    x = 105,149,034.94/14,651.27
  6. Step 6: Final answer
    x = 7,176.79

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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.