Home / 20,119.67-27,766.35-11,623.35

Finding the Fourth Proportional to 20,119.67, 27,766.35 and 11,623.35

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Solution

The fourth proportional to 20,119.67, 27,766.35 and 11,623.35 is: 16,040.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.67 : 27,766.35 = 11,623.35 : x
  2. Step 2: Convert to fraction form
    20,119.67/27,766.35 = 11,623.35/x
  3. Step 3: Cross multiply
    20,119.67x = 27,766.35 × 11,623.35
  4. Step 4: Simplify right side
    20,119.67x = 322,738,004.27
  5. Step 5: Solve for x
    x = 322,738,004.27/20,119.67
  6. Step 6: Final answer
    x = 16,040.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.