Home / 11,621.64-16,037.76-6,316.44

Finding the Fourth Proportional to 11,621.64, 16,037.76 and 6,316.44

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Solution

The fourth proportional to 11,621.64, 16,037.76 and 6,316.44 is: 8,716.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.64 : 16,037.76 = 6,316.44 : x
  2. Step 2: Convert to fraction form
    11,621.64/16,037.76 = 6,316.44/x
  3. Step 3: Cross multiply
    11,621.64x = 16,037.76 × 6,316.44
  4. Step 4: Simplify right side
    11,621.64x = 101,301,548.77
  5. Step 5: Solve for x
    x = 101,301,548.77/11,621.64
  6. Step 6: Final answer
    x = 8,716.63

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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.