Home / 21,094.32-29,110.32-11,664.48

Finding the Fourth Proportional to 21,094.32, 29,110.32 and 11,664.48

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Solution

The fourth proportional to 21,094.32, 29,110.32 and 11,664.48 is: 16,097.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.32 : 29,110.32 = 11,664.48 : x
  2. Step 2: Convert to fraction form
    21,094.32/29,110.32 = 11,664.48/x
  3. Step 3: Cross multiply
    21,094.32x = 29,110.32 × 11,664.48
  4. Step 4: Simplify right side
    21,094.32x = 339,556,745.43
  5. Step 5: Solve for x
    x = 339,556,745.43/21,094.32
  6. Step 6: Final answer
    x = 16,097.07

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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.