Home / 11,736.66-16,196.64-6,431.56

Finding the Fourth Proportional to 11,736.66, 16,196.64 and 6,431.56

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Solution

The fourth proportional to 11,736.66, 16,196.64 and 6,431.56 is: 8,875.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,736.66 : 16,196.64 = 6,431.56 : x
  2. Step 2: Convert to fraction form
    11,736.66/16,196.64 = 6,431.56/x
  3. Step 3: Cross multiply
    11,736.66x = 16,196.64 × 6,431.56
  4. Step 4: Simplify right side
    11,736.66x = 104,169,661.96
  5. Step 5: Solve for x
    x = 104,169,661.96/11,736.66
  6. Step 6: Final answer
    x = 8,875.58

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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.