Home / 12,224.21-16,859.00-8,240.09

Finding the Fourth Proportional to 12,224.21, 16,859.00 and 8,240.09

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Solution

The fourth proportional to 12,224.21, 16,859.00 and 8,240.09 is: 11,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.21 : 16,859.00 = 8,240.09 : x
  2. Step 2: Convert to fraction form
    12,224.21/16,859.00 = 8,240.09/x
  3. Step 3: Cross multiply
    12,224.21x = 16,859.00 × 8,240.09
  4. Step 4: Simplify right side
    12,224.21x = 138,919,613.62
  5. Step 5: Solve for x
    x = 138,919,613.62/12,224.21
  6. Step 6: Final answer
    x = 11,364.31

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Half scale
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Double scale
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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.