Home / 12,063.88-16,647.96-6,758.66

Finding the Fourth Proportional to 12,063.88, 16,647.96 and 6,758.66

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Solution

The fourth proportional to 12,063.88, 16,647.96 and 6,758.66 is: 9,326.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,063.88 : 16,647.96 = 6,758.66 : x
  2. Step 2: Convert to fraction form
    12,063.88/16,647.96 = 6,758.66/x
  3. Step 3: Cross multiply
    12,063.88x = 16,647.96 × 6,758.66
  4. Step 4: Simplify right side
    12,063.88x = 112,517,901.33
  5. Step 5: Solve for x
    x = 112,517,901.33/12,063.88
  6. Step 6: Final answer
    x = 9,326.84

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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.