Home / 12,554.03-18,796.44-8,388.30

Finding the Fourth Proportional to 12,554.03, 18,796.44 and 8,388.30

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Solution

The fourth proportional to 12,554.03, 18,796.44 and 8,388.30 is: 12,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.03 : 18,796.44 = 8,388.30 : x
  2. Step 2: Convert to fraction form
    12,554.03/18,796.44 = 8,388.30/x
  3. Step 3: Cross multiply
    12,554.03x = 18,796.44 × 8,388.30
  4. Step 4: Simplify right side
    12,554.03x = 157,670,177.65
  5. Step 5: Solve for x
    x = 157,670,177.65/12,554.03
  6. Step 6: Final answer
    x = 12,559.33

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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.