Home / 11,334.90-16,999.26-7,168.64

Finding the Fourth Proportional to 11,334.90, 16,999.26 and 7,168.64

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Solution

The fourth proportional to 11,334.90, 16,999.26 and 7,168.64 is: 10,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.90 : 16,999.26 = 7,168.64 : x
  2. Step 2: Convert to fraction form
    11,334.90/16,999.26 = 7,168.64/x
  3. Step 3: Cross multiply
    11,334.90x = 16,999.26 × 7,168.64
  4. Step 4: Simplify right side
    11,334.90x = 121,861,575.21
  5. Step 5: Solve for x
    x = 121,861,575.21/11,334.90
  6. Step 6: Final answer
    x = 10,751.01

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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.