Home / 13,180.26-18,157.92-9,194.22

Finding the Fourth Proportional to 13,180.26, 18,157.92 and 9,194.22

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Solution

The fourth proportional to 13,180.26, 18,157.92 and 9,194.22 is: 12,666.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180.26 : 18,157.92 = 9,194.22 : x
  2. Step 2: Convert to fraction form
    13,180.26/18,157.92 = 9,194.22/x
  3. Step 3: Cross multiply
    13,180.26x = 18,157.92 × 9,194.22
  4. Step 4: Simplify right side
    13,180.26x = 166,947,911.22
  5. Step 5: Solve for x
    x = 166,947,911.22/13,180.26
  6. Step 6: Final answer
    x = 12,666.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.