Home / 20,179.24-27,847.74-11,800.60

Finding the Fourth Proportional to 20,179.24, 27,847.74 and 11,800.60

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Solution

The fourth proportional to 20,179.24, 27,847.74 and 11,800.60 is: 16,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.24 : 27,847.74 = 11,800.60 : x
  2. Step 2: Convert to fraction form
    20,179.24/27,847.74 = 11,800.60/x
  3. Step 3: Cross multiply
    20,179.24x = 27,847.74 × 11,800.60
  4. Step 4: Simplify right side
    20,179.24x = 328,620,040.64
  5. Step 5: Solve for x
    x = 328,620,040.64/20,179.24
  6. Step 6: Final answer
    x = 16,285.06

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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.