Home / 11,852.38-17,778.57-3,087.37

Finding the Fourth Proportional to 11,852.38, 17,778.57 and 3,087.37

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Solution

The fourth proportional to 11,852.38, 17,778.57 and 3,087.37 is: 4,631.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.38 : 17,778.57 = 3,087.37 : x
  2. Step 2: Convert to fraction form
    11,852.38/17,778.57 = 3,087.37/x
  3. Step 3: Cross multiply
    11,852.38x = 17,778.57 × 3,087.37
  4. Step 4: Simplify right side
    11,852.38x = 54,889,023.66
  5. Step 5: Solve for x
    x = 54,889,023.66/11,852.38
  6. Step 6: Final answer
    x = 4,631.06

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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.