Home / 20,246.79-27,940.85-11,634.37

Finding the Fourth Proportional to 20,246.79, 27,940.85 and 11,634.37

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Solution

The fourth proportional to 20,246.79, 27,940.85 and 11,634.37 is: 16,055.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.79 : 27,940.85 = 11,634.37 : x
  2. Step 2: Convert to fraction form
    20,246.79/27,940.85 = 11,634.37/x
  3. Step 3: Cross multiply
    20,246.79x = 27,940.85 × 11,634.37
  4. Step 4: Simplify right side
    20,246.79x = 325,074,102.62
  5. Step 5: Solve for x
    x = 325,074,102.62/20,246.79
  6. Step 6: Final answer
    x = 16,055.58

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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.