Home / 11,896.21-16,416.91-6,518.80

Finding the Fourth Proportional to 11,896.21, 16,416.91 and 6,518.80

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Solution

The fourth proportional to 11,896.21, 16,416.91 and 6,518.80 is: 8,996.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,896.21 : 16,416.91 = 6,518.80 : x
  2. Step 2: Convert to fraction form
    11,896.21/16,416.91 = 6,518.80/x
  3. Step 3: Cross multiply
    11,896.21x = 16,416.91 × 6,518.80
  4. Step 4: Simplify right side
    11,896.21x = 107,018,552.91
  5. Step 5: Solve for x
    x = 107,018,552.91/11,896.21
  6. Step 6: Final answer
    x = 8,996.02

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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.