Home / 11,639.79-16,063.38-6,924.78

Finding the Fourth Proportional to 11,639.79, 16,063.38 and 6,924.78

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Solution

The fourth proportional to 11,639.79, 16,063.38 and 6,924.78 is: 9,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.79 : 16,063.38 = 6,924.78 : x
  2. Step 2: Convert to fraction form
    11,639.79/16,063.38 = 6,924.78/x
  3. Step 3: Cross multiply
    11,639.79x = 16,063.38 × 6,924.78
  4. Step 4: Simplify right side
    11,639.79x = 111,235,372.56
  5. Step 5: Solve for x
    x = 111,235,372.56/11,639.79
  6. Step 6: Final answer
    x = 9,556.48

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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.