Home / 21,375.25-29,497.86-11,944.03

Finding the Fourth Proportional to 21,375.25, 29,497.86 and 11,944.03

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Solution

The fourth proportional to 21,375.25, 29,497.86 and 11,944.03 is: 16,482.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375.25 : 29,497.86 = 11,944.03 : x
  2. Step 2: Convert to fraction form
    21,375.25/29,497.86 = 11,944.03/x
  3. Step 3: Cross multiply
    21,375.25x = 29,497.86 × 11,944.03
  4. Step 4: Simplify right side
    21,375.25x = 352,323,324.78
  5. Step 5: Solve for x
    x = 352,323,324.78/21,375.25
  6. Step 6: Final answer
    x = 16,482.77

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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.