Home / 11,621.48-16,037.60-6,316.38

Finding the Fourth Proportional to 11,621.48, 16,037.60 and 6,316.38

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Solution

The fourth proportional to 11,621.48, 16,037.60 and 6,316.38 is: 8,716.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.48 : 16,037.60 = 6,316.38 : x
  2. Step 2: Convert to fraction form
    11,621.48/16,037.60 = 6,316.38/x
  3. Step 3: Cross multiply
    11,621.48x = 16,037.60 × 6,316.38
  4. Step 4: Simplify right side
    11,621.48x = 101,299,544.31
  5. Step 5: Solve for x
    x = 101,299,544.31/11,621.48
  6. Step 6: Final answer
    x = 8,716.58

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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.