Home / 9,451.15-14,177.60-2,787.65

Finding the Fourth Proportional to 9,451.15, 14,177.60 and 2,787.65

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Solution

The fourth proportional to 9,451.15, 14,177.60 and 2,787.65 is: 4,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,451.15 : 14,177.60 = 2,787.65 : x
  2. Step 2: Convert to fraction form
    9,451.15/14,177.60 = 2,787.65/x
  3. Step 3: Cross multiply
    9,451.15x = 14,177.60 × 2,787.65
  4. Step 4: Simplify right side
    9,451.15x = 39,522,193.61
  5. Step 5: Solve for x
    x = 39,522,193.61/9,451.15
  6. Step 6: Final answer
    x = 4,181.73

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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.