Home / 18,080.96-27,100.64-11,329.60

Finding the Fourth Proportional to 18,080.96, 27,100.64 and 11,329.60

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Solution

The fourth proportional to 18,080.96, 27,100.64 and 11,329.60 is: 16,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.96 : 27,100.64 = 11,329.60 : x
  2. Step 2: Convert to fraction form
    18,080.96/27,100.64 = 11,329.60/x
  3. Step 3: Cross multiply
    18,080.96x = 27,100.64 × 11,329.60
  4. Step 4: Simplify right side
    18,080.96x = 307,039,410.94
  5. Step 5: Solve for x
    x = 307,039,410.94/18,080.96
  6. Step 6: Final answer
    x = 16,981.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.