Home / 12,211.70-18,296.66-6,668.94

Finding the Fourth Proportional to 12,211.70, 18,296.66 and 6,668.94

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Solution

The fourth proportional to 12,211.70, 18,296.66 and 6,668.94 is: 9,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.70 : 18,296.66 = 6,668.94 : x
  2. Step 2: Convert to fraction form
    12,211.70/18,296.66 = 6,668.94/x
  3. Step 3: Cross multiply
    12,211.70x = 18,296.66 × 6,668.94
  4. Step 4: Simplify right side
    12,211.70x = 122,019,294.40
  5. Step 5: Solve for x
    x = 122,019,294.40/12,211.70
  6. Step 6: Final answer
    x = 9,992.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.