Home / 17,619.24-26,396.19-12,611.28

Finding the Fourth Proportional to 17,619.24, 26,396.19 and 12,611.28

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Solution

The fourth proportional to 17,619.24, 26,396.19 and 12,611.28 is: 18,893.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,619.24 : 26,396.19 = 12,611.28 : x
  2. Step 2: Convert to fraction form
    17,619.24/26,396.19 = 12,611.28/x
  3. Step 3: Cross multiply
    17,619.24x = 26,396.19 × 12,611.28
  4. Step 4: Simplify right side
    17,619.24x = 332,889,743.02
  5. Step 5: Solve for x
    x = 332,889,743.02/17,619.24
  6. Step 6: Final answer
    x = 18,893.54

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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.