Home / 12,267-16,928.82-6,678.36

Finding the Fourth Proportional to 12,267, 16,928.82 and 6,678.36

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Solution

The fourth proportional to 12,267, 16,928.82 and 6,678.36 is: 9,216.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,267 : 16,928.82 = 6,678.36 : x
  2. Step 2: Convert to fraction form
    12,267/16,928.82 = 6,678.36/x
  3. Step 3: Cross multiply
    12,267x = 16,928.82 × 6,678.36
  4. Step 4: Simplify right side
    12,267x = 113,056,754.34
  5. Step 5: Solve for x
    x = 113,056,754.34/12,267
  6. Step 6: Final answer
    x = 9,216.33

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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.