Home / 11,856.54-17,786.85-5,282.58

Finding the Fourth Proportional to 11,856.54, 17,786.85 and 5,282.58

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Solution

The fourth proportional to 11,856.54, 17,786.85 and 5,282.58 is: 7,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856.54 : 17,786.85 = 5,282.58 : x
  2. Step 2: Convert to fraction form
    11,856.54/17,786.85 = 5,282.58/x
  3. Step 3: Cross multiply
    11,856.54x = 17,786.85 × 5,282.58
  4. Step 4: Simplify right side
    11,856.54x = 93,960,458.07
  5. Step 5: Solve for x
    x = 93,960,458.07/11,856.54
  6. Step 6: Final answer
    x = 7,924.78

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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.