Home / 13,201.26-19,809.18-5,408.25

Finding the Fourth Proportional to 13,201.26, 19,809.18 and 5,408.25

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Solution

The fourth proportional to 13,201.26, 19,809.18 and 5,408.25 is: 8,115.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,201.26 : 19,809.18 = 5,408.25 : x
  2. Step 2: Convert to fraction form
    13,201.26/19,809.18 = 5,408.25/x
  3. Step 3: Cross multiply
    13,201.26x = 19,809.18 × 5,408.25
  4. Step 4: Simplify right side
    13,201.26x = 107,132,997.74
  5. Step 5: Solve for x
    x = 107,132,997.74/13,201.26
  6. Step 6: Final answer
    x = 8,115.36

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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.