Home / 12,117.44-18,183.45-5,191.94

Finding the Fourth Proportional to 12,117.44, 18,183.45 and 5,191.94

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Solution

The fourth proportional to 12,117.44, 18,183.45 and 5,191.94 is: 7,791.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.44 : 18,183.45 = 5,191.94 : x
  2. Step 2: Convert to fraction form
    12,117.44/18,183.45 = 5,191.94/x
  3. Step 3: Cross multiply
    12,117.44x = 18,183.45 × 5,191.94
  4. Step 4: Simplify right side
    12,117.44x = 94,407,381.39
  5. Step 5: Solve for x
    x = 94,407,381.39/12,117.44
  6. Step 6: Final answer
    x = 7,791.03

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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.