Home / 11,168.21-16,755.96-5,618.90

Finding the Fourth Proportional to 11,168.21, 16,755.96 and 5,618.90

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Solution

The fourth proportional to 11,168.21, 16,755.96 and 5,618.90 is: 8,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168.21 : 16,755.96 = 5,618.90 : x
  2. Step 2: Convert to fraction form
    11,168.21/16,755.96 = 5,618.90/x
  3. Step 3: Cross multiply
    11,168.21x = 16,755.96 × 5,618.90
  4. Step 4: Simplify right side
    11,168.21x = 94,150,063.64
  5. Step 5: Solve for x
    x = 94,150,063.64/11,168.21
  6. Step 6: Final answer
    x = 8,430.18

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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.