Home / 12,190.86-18,274.37-5,950.62

Finding the Fourth Proportional to 12,190.86, 18,274.37 and 5,950.62

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Solution

The fourth proportional to 12,190.86, 18,274.37 and 5,950.62 is: 8,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.86 : 18,274.37 = 5,950.62 : x
  2. Step 2: Convert to fraction form
    12,190.86/18,274.37 = 5,950.62/x
  3. Step 3: Cross multiply
    12,190.86x = 18,274.37 × 5,950.62
  4. Step 4: Simplify right side
    12,190.86x = 108,743,801.86
  5. Step 5: Solve for x
    x = 108,743,801.86/12,190.86
  6. Step 6: Final answer
    x = 8,920.11

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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.