Home / 11,984.55-18,041.56-10,778.97

Finding the Fourth Proportional to 11,984.55, 18,041.56 and 10,778.97

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Solution

The fourth proportional to 11,984.55, 18,041.56 and 10,778.97 is: 16,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.55 : 18,041.56 = 10,778.97 : x
  2. Step 2: Convert to fraction form
    11,984.55/18,041.56 = 10,778.97/x
  3. Step 3: Cross multiply
    11,984.55x = 18,041.56 × 10,778.97
  4. Step 4: Simplify right side
    11,984.55x = 194,469,433.99
  5. Step 5: Solve for x
    x = 194,469,433.99/11,984.55
  6. Step 6: Final answer
    x = 16,226.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.