Home / 9,453.12-14,176.38-2,787.85

Finding the Fourth Proportional to 9,453.12, 14,176.38 and 2,787.85

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Solution

The fourth proportional to 9,453.12, 14,176.38 and 2,787.85 is: 4,180.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,453.12 : 14,176.38 = 2,787.85 : x
  2. Step 2: Convert to fraction form
    9,453.12/14,176.38 = 2,787.85/x
  3. Step 3: Cross multiply
    9,453.12x = 14,176.38 × 2,787.85
  4. Step 4: Simplify right side
    9,453.12x = 39,521,625.64
  5. Step 5: Solve for x
    x = 39,521,625.64/9,453.12
  6. Step 6: Final answer
    x = 4,180.80

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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.