Home / 13,408.58-20,092.32-7,169.46

Finding the Fourth Proportional to 13,408.58, 20,092.32 and 7,169.46

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Solution

The fourth proportional to 13,408.58, 20,092.32 and 7,169.46 is: 10,743.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,408.58 : 20,092.32 = 7,169.46 : x
  2. Step 2: Convert to fraction form
    13,408.58/20,092.32 = 7,169.46/x
  3. Step 3: Cross multiply
    13,408.58x = 20,092.32 × 7,169.46
  4. Step 4: Simplify right side
    13,408.58x = 144,051,084.55
  5. Step 5: Solve for x
    x = 144,051,084.55/13,408.58
  6. Step 6: Final answer
    x = 10,743.20

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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.