Home / 21,944.64-30,283.62-11,873.04

Finding the Fourth Proportional to 21,944.64, 30,283.62 and 11,873.04

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Solution

The fourth proportional to 21,944.64, 30,283.62 and 11,873.04 is: 16,384.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.64 : 30,283.62 = 11,873.04 : x
  2. Step 2: Convert to fraction form
    21,944.64/30,283.62 = 11,873.04/x
  3. Step 3: Cross multiply
    21,944.64x = 30,283.62 × 11,873.04
  4. Step 4: Simplify right side
    21,944.64x = 359,558,631.60
  5. Step 5: Solve for x
    x = 359,558,631.60/21,944.64
  6. Step 6: Final answer
    x = 16,384.80

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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.