Home / 11,947.76-17,924.67-7,021.54

Finding the Fourth Proportional to 11,947.76, 17,924.67 and 7,021.54

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Solution

The fourth proportional to 11,947.76, 17,924.67 and 7,021.54 is: 10,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.76 : 17,924.67 = 7,021.54 : x
  2. Step 2: Convert to fraction form
    11,947.76/17,924.67 = 7,021.54/x
  3. Step 3: Cross multiply
    11,947.76x = 17,924.67 × 7,021.54
  4. Step 4: Simplify right side
    11,947.76x = 125,858,787.39
  5. Step 5: Solve for x
    x = 125,858,787.39/11,947.76
  6. Step 6: Final answer
    x = 10,534.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.