Home / 11,621.36-16,037.60-6,316.24

Finding the Fourth Proportional to 11,621.36, 16,037.60 and 6,316.24

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Solution

The fourth proportional to 11,621.36, 16,037.60 and 6,316.24 is: 8,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.36 : 16,037.60 = 6,316.24 : x
  2. Step 2: Convert to fraction form
    11,621.36/16,037.60 = 6,316.24/x
  3. Step 3: Cross multiply
    11,621.36x = 16,037.60 × 6,316.24
  4. Step 4: Simplify right side
    11,621.36x = 101,297,330.62
  5. Step 5: Solve for x
    x = 101,297,330.62/11,621.36
  6. Step 6: Final answer
    x = 8,716.48

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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.