Home / 17,408.60-26,112.84-4,260.80

Finding the Fourth Proportional to 17,408.60, 26,112.84 and 4,260.80

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Solution

The fourth proportional to 17,408.60, 26,112.84 and 4,260.80 is: 6,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,408.60 : 26,112.84 = 4,260.80 : x
  2. Step 2: Convert to fraction form
    17,408.60/26,112.84 = 4,260.80/x
  3. Step 3: Cross multiply
    17,408.60x = 26,112.84 × 4,260.80
  4. Step 4: Simplify right side
    17,408.60x = 111,261,588.67
  5. Step 5: Solve for x
    x = 111,261,588.67/17,408.60
  6. Step 6: Final answer
    x = 6,391.19

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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.