Home / 11,621.57-16,037.31-6,316.27

Finding the Fourth Proportional to 11,621.57, 16,037.31 and 6,316.27

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Solution

The fourth proportional to 11,621.57, 16,037.31 and 6,316.27 is: 8,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.57 : 16,037.31 = 6,316.27 : x
  2. Step 2: Convert to fraction form
    11,621.57/16,037.31 = 6,316.27/x
  3. Step 3: Cross multiply
    11,621.57x = 16,037.31 × 6,316.27
  4. Step 4: Simplify right side
    11,621.57x = 101,295,928.10
  5. Step 5: Solve for x
    x = 101,295,928.10/11,621.57
  6. Step 6: Final answer
    x = 8,716.20

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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.