Home / 13,951.44-19,251.37-7,982.75

Finding the Fourth Proportional to 13,951.44, 19,251.37 and 7,982.75

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Solution

The fourth proportional to 13,951.44, 19,251.37 and 7,982.75 is: 11,015.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.44 : 19,251.37 = 7,982.75 : x
  2. Step 2: Convert to fraction form
    13,951.44/19,251.37 = 7,982.75/x
  3. Step 3: Cross multiply
    13,951.44x = 19,251.37 × 7,982.75
  4. Step 4: Simplify right side
    13,951.44x = 153,678,931.97
  5. Step 5: Solve for x
    x = 153,678,931.97/13,951.44
  6. Step 6: Final answer
    x = 11,015.27

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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.