Home / 13,676.07-18,872.97-7,388.44

Finding the Fourth Proportional to 13,676.07, 18,872.97 and 7,388.44

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Solution

The fourth proportional to 13,676.07, 18,872.97 and 7,388.44 is: 10,196.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.07 : 18,872.97 = 7,388.44 : x
  2. Step 2: Convert to fraction form
    13,676.07/18,872.97 = 7,388.44/x
  3. Step 3: Cross multiply
    13,676.07x = 18,872.97 × 7,388.44
  4. Step 4: Simplify right side
    13,676.07x = 139,441,806.47
  5. Step 5: Solve for x
    x = 139,441,806.47/13,676.07
  6. Step 6: Final answer
    x = 10,196.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.