Home / 11,661.64-16,093.76-6,356.44

Finding the Fourth Proportional to 11,661.64, 16,093.76 and 6,356.44

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Solution

The fourth proportional to 11,661.64, 16,093.76 and 6,356.44 is: 8,772.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.64 : 16,093.76 = 6,356.44 : x
  2. Step 2: Convert to fraction form
    11,661.64/16,093.76 = 6,356.44/x
  3. Step 3: Cross multiply
    11,661.64x = 16,093.76 × 6,356.44
  4. Step 4: Simplify right side
    11,661.64x = 102,299,019.81
  5. Step 5: Solve for x
    x = 102,299,019.81/11,661.64
  6. Step 6: Final answer
    x = 8,772.27

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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.