Home / 11,949.22-17,917.26-9,168.94

Finding the Fourth Proportional to 11,949.22, 17,917.26 and 9,168.94

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Solution

The fourth proportional to 11,949.22, 17,917.26 and 9,168.94 is: 13,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.22 : 17,917.26 = 9,168.94 : x
  2. Step 2: Convert to fraction form
    11,949.22/17,917.26 = 9,168.94/x
  3. Step 3: Cross multiply
    11,949.22x = 17,917.26 × 9,168.94
  4. Step 4: Simplify right side
    11,949.22x = 164,282,281.90
  5. Step 5: Solve for x
    x = 164,282,281.90/11,949.22
  6. Step 6: Final answer
    x = 13,748.37

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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.