Home / 19,172.44-26,467.14-11,212.12

Finding the Fourth Proportional to 19,172.44, 26,467.14 and 11,212.12

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Solution

The fourth proportional to 19,172.44, 26,467.14 and 11,212.12 is: 15,478.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.44 : 26,467.14 = 11,212.12 : x
  2. Step 2: Convert to fraction form
    19,172.44/26,467.14 = 11,212.12/x
  3. Step 3: Cross multiply
    19,172.44x = 26,467.14 × 11,212.12
  4. Step 4: Simplify right side
    19,172.44x = 296,752,749.74
  5. Step 5: Solve for x
    x = 296,752,749.74/19,172.44
  6. Step 6: Final answer
    x = 15,478.09

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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.