Home / 11,738.30-16,199.13-6,433.41

Finding the Fourth Proportional to 11,738.30, 16,199.13 and 6,433.41

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Solution

The fourth proportional to 11,738.30, 16,199.13 and 6,433.41 is: 8,878.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,738.30 : 16,199.13 = 6,433.41 : x
  2. Step 2: Convert to fraction form
    11,738.30/16,199.13 = 6,433.41/x
  3. Step 3: Cross multiply
    11,738.30x = 16,199.13 × 6,433.41
  4. Step 4: Simplify right side
    11,738.30x = 104,215,644.93
  5. Step 5: Solve for x
    x = 104,215,644.93/11,738.30
  6. Step 6: Final answer
    x = 8,878.26

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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.