Home / 15,999.36-24,003.72-8,213.60

Finding the Fourth Proportional to 15,999.36, 24,003.72 and 8,213.60

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Solution

The fourth proportional to 15,999.36, 24,003.72 and 8,213.60 is: 12,322.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.36 : 24,003.72 = 8,213.60 : x
  2. Step 2: Convert to fraction form
    15,999.36/24,003.72 = 8,213.60/x
  3. Step 3: Cross multiply
    15,999.36x = 24,003.72 × 8,213.60
  4. Step 4: Simplify right side
    15,999.36x = 197,156,954.59
  5. Step 5: Solve for x
    x = 197,156,954.59/15,999.36
  6. Step 6: Final answer
    x = 12,322.80

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Similar ratio
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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.