Home / 11,736.85-16,197.24-6,431.62

Finding the Fourth Proportional to 11,736.85, 16,197.24 and 6,431.62

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Solution

The fourth proportional to 11,736.85, 16,197.24 and 6,431.62 is: 8,875.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.85 : 16,197.24 = 6,431.62 : x
  2. Step 2: Convert to fraction form
    11,736.85/16,197.24 = 6,431.62/x
  3. Step 3: Cross multiply
    11,736.85x = 16,197.24 × 6,431.62
  4. Step 4: Simplify right side
    11,736.85x = 104,174,476.35
  5. Step 5: Solve for x
    x = 104,174,476.35/11,736.85
  6. Step 6: Final answer
    x = 8,875.85

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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.