Home / 20,212.73-27,894.41-11,260.23

Finding the Fourth Proportional to 20,212.73, 27,894.41 and 11,260.23

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Solution

The fourth proportional to 20,212.73, 27,894.41 and 11,260.23 is: 15,539.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,212.73 : 27,894.41 = 11,260.23 : x
  2. Step 2: Convert to fraction form
    20,212.73/27,894.41 = 11,260.23/x
  3. Step 3: Cross multiply
    20,212.73x = 27,894.41 × 11,260.23
  4. Step 4: Simplify right side
    20,212.73x = 314,097,472.31
  5. Step 5: Solve for x
    x = 314,097,472.31/20,212.73
  6. Step 6: Final answer
    x = 15,539.59

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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.