Home / 9,640.89-14,469.57-6,874.34

Finding the Fourth Proportional to 9,640.89, 14,469.57 and 6,874.34

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Solution

The fourth proportional to 9,640.89, 14,469.57 and 6,874.34 is: 10,317.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,640.89 : 14,469.57 = 6,874.34 : x
  2. Step 2: Convert to fraction form
    9,640.89/14,469.57 = 6,874.34/x
  3. Step 3: Cross multiply
    9,640.89x = 14,469.57 × 6,874.34
  4. Step 4: Simplify right side
    9,640.89x = 99,468,671.49
  5. Step 5: Solve for x
    x = 99,468,671.49/9,640.89
  6. Step 6: Final answer
    x = 10,317.37

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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.