Home / 11,645.94-16,071.62-6,340.85

Finding the Fourth Proportional to 11,645.94, 16,071.62 and 6,340.85

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Solution

The fourth proportional to 11,645.94, 16,071.62 and 6,340.85 is: 8,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,645.94 : 16,071.62 = 6,340.85 : x
  2. Step 2: Convert to fraction form
    11,645.94/16,071.62 = 6,340.85/x
  3. Step 3: Cross multiply
    11,645.94x = 16,071.62 × 6,340.85
  4. Step 4: Simplify right side
    11,645.94x = 101,907,679.88
  5. Step 5: Solve for x
    x = 101,907,679.88/11,645.94
  6. Step 6: Final answer
    x = 8,750.49

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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.