Home / 12,169.34-18,230.33-7,996.67

Finding the Fourth Proportional to 12,169.34, 18,230.33 and 7,996.67

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Solution

The fourth proportional to 12,169.34, 18,230.33 and 7,996.67 is: 11,979.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,169.34 : 18,230.33 = 7,996.67 : x
  2. Step 2: Convert to fraction form
    12,169.34/18,230.33 = 7,996.67/x
  3. Step 3: Cross multiply
    12,169.34x = 18,230.33 × 7,996.67
  4. Step 4: Simplify right side
    12,169.34x = 145,781,801.87
  5. Step 5: Solve for x
    x = 145,781,801.87/12,169.34
  6. Step 6: Final answer
    x = 11,979.44

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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.