Home / 17,086.40-25,576.26-12,588.54

Finding the Fourth Proportional to 17,086.40, 25,576.26 and 12,588.54

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Solution

The fourth proportional to 17,086.40, 25,576.26 and 12,588.54 is: 18,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086.40 : 25,576.26 = 12,588.54 : x
  2. Step 2: Convert to fraction form
    17,086.40/25,576.26 = 12,588.54/x
  3. Step 3: Cross multiply
    17,086.40x = 25,576.26 × 12,588.54
  4. Step 4: Simplify right side
    17,086.40x = 321,967,772.06
  5. Step 5: Solve for x
    x = 321,967,772.06/17,086.40
  6. Step 6: Final answer
    x = 18,843.52

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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.