Home / 11,188.90-16,771.57-8,550.68

Finding the Fourth Proportional to 11,188.90, 16,771.57 and 8,550.68

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Solution

The fourth proportional to 11,188.90, 16,771.57 and 8,550.68 is: 12,817.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,188.90 : 16,771.57 = 8,550.68 : x
  2. Step 2: Convert to fraction form
    11,188.90/16,771.57 = 8,550.68/x
  3. Step 3: Cross multiply
    11,188.90x = 16,771.57 × 8,550.68
  4. Step 4: Simplify right side
    11,188.90x = 143,408,271.03
  5. Step 5: Solve for x
    x = 143,408,271.03/11,188.90
  6. Step 6: Final answer
    x = 12,817.02

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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.