Home / 20,181.24-27,850.50-11,802.60

Finding the Fourth Proportional to 20,181.24, 27,850.50 and 11,802.60

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Solution

The fourth proportional to 20,181.24, 27,850.50 and 11,802.60 is: 16,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,181.24 : 27,850.50 = 11,802.60 : x
  2. Step 2: Convert to fraction form
    20,181.24/27,850.50 = 11,802.60/x
  3. Step 3: Cross multiply
    20,181.24x = 27,850.50 × 11,802.60
  4. Step 4: Simplify right side
    20,181.24x = 328,708,311.30
  5. Step 5: Solve for x
    x = 328,708,311.30/20,181.24
  6. Step 6: Final answer
    x = 16,287.82

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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.