Home / 12,563.82-18,837.23-5,166.09

Finding the Fourth Proportional to 12,563.82, 18,837.23 and 5,166.09

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Solution

The fourth proportional to 12,563.82, 18,837.23 and 5,166.09 is: 7,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563.82 : 18,837.23 = 5,166.09 : x
  2. Step 2: Convert to fraction form
    12,563.82/18,837.23 = 5,166.09/x
  3. Step 3: Cross multiply
    12,563.82x = 18,837.23 × 5,166.09
  4. Step 4: Simplify right side
    12,563.82x = 97,314,799.70
  5. Step 5: Solve for x
    x = 97,314,799.70/12,563.82
  6. Step 6: Final answer
    x = 7,745.64

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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.