Home / 11,993.94-16,551.54-6,688.44

Finding the Fourth Proportional to 11,993.94, 16,551.54 and 6,688.44

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Solution

The fourth proportional to 11,993.94, 16,551.54 and 6,688.44 is: 9,229.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,993.94 : 16,551.54 = 6,688.44 : x
  2. Step 2: Convert to fraction form
    11,993.94/16,551.54 = 6,688.44/x
  3. Step 3: Cross multiply
    11,993.94x = 16,551.54 × 6,688.44
  4. Step 4: Simplify right side
    11,993.94x = 110,703,982.20
  5. Step 5: Solve for x
    x = 110,703,982.20/11,993.94
  6. Step 6: Final answer
    x = 9,229.99

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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.