Home / 18,736.52-25,844.82-15,703.88

Finding the Fourth Proportional to 18,736.52, 25,844.82 and 15,703.88

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Solution

The fourth proportional to 18,736.52, 25,844.82 and 15,703.88 is: 21,661.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,736.52 : 25,844.82 = 15,703.88 : x
  2. Step 2: Convert to fraction form
    18,736.52/25,844.82 = 15,703.88/x
  3. Step 3: Cross multiply
    18,736.52x = 25,844.82 × 15,703.88
  4. Step 4: Simplify right side
    18,736.52x = 405,863,951.90
  5. Step 5: Solve for x
    x = 405,863,951.90/18,736.52
  6. Step 6: Final answer
    x = 21,661.65

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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.