Home / 11,724.53-16,179.68-6,419.43

Finding the Fourth Proportional to 11,724.53, 16,179.68 and 6,419.43

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Solution

The fourth proportional to 11,724.53, 16,179.68 and 6,419.43 is: 8,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.53 : 16,179.68 = 6,419.43 : x
  2. Step 2: Convert to fraction form
    11,724.53/16,179.68 = 6,419.43/x
  3. Step 3: Cross multiply
    11,724.53x = 16,179.68 × 6,419.43
  4. Step 4: Simplify right side
    11,724.53x = 103,864,339.23
  5. Step 5: Solve for x
    x = 103,864,339.23/11,724.53
  6. Step 6: Final answer
    x = 8,858.72

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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.