Home / 12,286.22-16,954.44-6,980.96

Finding the Fourth Proportional to 12,286.22, 16,954.44 and 6,980.96

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Solution

The fourth proportional to 12,286.22, 16,954.44 and 6,980.96 is: 9,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,286.22 : 16,954.44 = 6,980.96 : x
  2. Step 2: Convert to fraction form
    12,286.22/16,954.44 = 6,980.96/x
  3. Step 3: Cross multiply
    12,286.22x = 16,954.44 × 6,980.96
  4. Step 4: Simplify right side
    12,286.22x = 118,358,267.46
  5. Step 5: Solve for x
    x = 118,358,267.46/12,286.22
  6. Step 6: Final answer
    x = 9,633.42

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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.