Home / 18,770.22-25,896.24-11,211.30

Finding the Fourth Proportional to 18,770.22, 25,896.24 and 11,211.30

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Solution

The fourth proportional to 18,770.22, 25,896.24 and 11,211.30 is: 15,467.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,770.22 : 25,896.24 = 11,211.30 : x
  2. Step 2: Convert to fraction form
    18,770.22/25,896.24 = 11,211.30/x
  3. Step 3: Cross multiply
    18,770.22x = 25,896.24 × 11,211.30
  4. Step 4: Simplify right side
    18,770.22x = 290,330,515.51
  5. Step 5: Solve for x
    x = 290,330,515.51/18,770.22
  6. Step 6: Final answer
    x = 15,467.61

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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.