Home / 21,094.88-29,110.56-11,664.32

Finding the Fourth Proportional to 21,094.88, 29,110.56 and 11,664.32

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Solution

The fourth proportional to 21,094.88, 29,110.56 and 11,664.32 is: 16,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.88 : 29,110.56 = 11,664.32 : x
  2. Step 2: Convert to fraction form
    21,094.88/29,110.56 = 11,664.32/x
  3. Step 3: Cross multiply
    21,094.88x = 29,110.56 × 11,664.32
  4. Step 4: Simplify right side
    21,094.88x = 339,554,887.22
  5. Step 5: Solve for x
    x = 339,554,887.22/21,094.88
  6. Step 6: Final answer
    x = 16,096.55

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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.