Home / 12,787.41-19,185.74-4,468.65

Finding the Fourth Proportional to 12,787.41, 19,185.74 and 4,468.65

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Solution

The fourth proportional to 12,787.41, 19,185.74 and 4,468.65 is: 6,704.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.41 : 19,185.74 = 4,468.65 : x
  2. Step 2: Convert to fraction form
    12,787.41/19,185.74 = 4,468.65/x
  3. Step 3: Cross multiply
    12,787.41x = 19,185.74 × 4,468.65
  4. Step 4: Simplify right side
    12,787.41x = 85,734,334.71
  5. Step 5: Solve for x
    x = 85,734,334.71/12,787.41
  6. Step 6: Final answer
    x = 6,704.59

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1.5x scale

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.