Home / 11,621.52-16,037.68-6,316.34

Finding the Fourth Proportional to 11,621.52, 16,037.68 and 6,316.34

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Solution

The fourth proportional to 11,621.52, 16,037.68 and 6,316.34 is: 8,716.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.52 : 16,037.68 = 6,316.34 : x
  2. Step 2: Convert to fraction form
    11,621.52/16,037.68 = 6,316.34/x
  3. Step 3: Cross multiply
    11,621.52x = 16,037.68 × 6,316.34
  4. Step 4: Simplify right side
    11,621.52x = 101,299,439.69
  5. Step 5: Solve for x
    x = 101,299,439.69/11,621.52
  6. Step 6: Final answer
    x = 8,716.54

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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.