Home / 20,119.55-27,766.30-11,622.03

Finding the Fourth Proportional to 20,119.55, 27,766.30 and 11,622.03

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Solution

The fourth proportional to 20,119.55, 27,766.30 and 11,622.03 is: 16,039.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,119.55 : 27,766.30 = 11,622.03 : x
  2. Step 2: Convert to fraction form
    20,119.55/27,766.30 = 11,622.03/x
  3. Step 3: Cross multiply
    20,119.55x = 27,766.30 × 11,622.03
  4. Step 4: Simplify right side
    20,119.55x = 322,700,771.59
  5. Step 5: Solve for x
    x = 322,700,771.59/20,119.55
  6. Step 6: Final answer
    x = 16,039.16

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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.