Home / 20,260.07-27,961.54-11,309.43

Finding the Fourth Proportional to 20,260.07, 27,961.54 and 11,309.43

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Solution

The fourth proportional to 20,260.07, 27,961.54 and 11,309.43 is: 15,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,260.07 : 27,961.54 = 11,309.43 : x
  2. Step 2: Convert to fraction form
    20,260.07/27,961.54 = 11,309.43/x
  3. Step 3: Cross multiply
    20,260.07x = 27,961.54 × 11,309.43
  4. Step 4: Simplify right side
    20,260.07x = 316,229,124.97
  5. Step 5: Solve for x
    x = 316,229,124.97/20,260.07
  6. Step 6: Final answer
    x = 15,608.49

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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.