Home / 11,621.61-16,037.73-6,316.29

Finding the Fourth Proportional to 11,621.61, 16,037.73 and 6,316.29

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Solution

The fourth proportional to 11,621.61, 16,037.73 and 6,316.29 is: 8,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,621.61 : 16,037.73 = 6,316.29 : x
  2. Step 2: Convert to fraction form
    11,621.61/16,037.73 = 6,316.29/x
  3. Step 3: Cross multiply
    11,621.61x = 16,037.73 × 6,316.29
  4. Step 4: Simplify right side
    11,621.61x = 101,298,953.62
  5. Step 5: Solve for x
    x = 101,298,953.62/11,621.61
  6. Step 6: Final answer
    x = 8,716.43

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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.