Home / 9,408.88-14,115.69-6,640.96

Finding the Fourth Proportional to 9,408.88, 14,115.69 and 6,640.96

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Solution

The fourth proportional to 9,408.88, 14,115.69 and 6,640.96 is: 9,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,408.88 : 14,115.69 = 6,640.96 : x
  2. Step 2: Convert to fraction form
    9,408.88/14,115.69 = 6,640.96/x
  3. Step 3: Cross multiply
    9,408.88x = 14,115.69 × 6,640.96
  4. Step 4: Simplify right side
    9,408.88x = 93,741,722.67
  5. Step 5: Solve for x
    x = 93,741,722.67/9,408.88
  6. Step 6: Final answer
    x = 9,963.11

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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.