Home / 11,950.22-17,918.76-9,169.94

Finding the Fourth Proportional to 11,950.22, 17,918.76 and 9,169.94

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Solution

The fourth proportional to 11,950.22, 17,918.76 and 9,169.94 is: 13,749.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,950.22 : 17,918.76 = 9,169.94 : x
  2. Step 2: Convert to fraction form
    11,950.22/17,918.76 = 9,169.94/x
  3. Step 3: Cross multiply
    11,950.22x = 17,918.76 × 9,169.94
  4. Step 4: Simplify right side
    11,950.22x = 164,313,954.07
  5. Step 5: Solve for x
    x = 164,313,954.07/11,950.22
  6. Step 6: Final answer
    x = 13,749.87

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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.