Home / 12,787.44-19,182.21-4,024.86

Finding the Fourth Proportional to 12,787.44, 19,182.21 and 4,024.86

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Solution

The fourth proportional to 12,787.44, 19,182.21 and 4,024.86 is: 6,037.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.44 : 19,182.21 = 4,024.86 : x
  2. Step 2: Convert to fraction form
    12,787.44/19,182.21 = 4,024.86/x
  3. Step 3: Cross multiply
    12,787.44x = 19,182.21 × 4,024.86
  4. Step 4: Simplify right side
    12,787.44x = 77,205,709.74
  5. Step 5: Solve for x
    x = 77,205,709.74/12,787.44
  6. Step 6: Final answer
    x = 6,037.62

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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.