Home / 21,996.87-30,347.73-14,447.29

Finding the Fourth Proportional to 21,996.87, 30,347.73 and 14,447.29

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Solution

The fourth proportional to 21,996.87, 30,347.73 and 14,447.29 is: 19,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.87 : 30,347.73 = 14,447.29 : x
  2. Step 2: Convert to fraction form
    21,996.87/30,347.73 = 14,447.29/x
  3. Step 3: Cross multiply
    21,996.87x = 30,347.73 × 14,447.29
  4. Step 4: Simplify right side
    21,996.87x = 438,442,383.92
  5. Step 5: Solve for x
    x = 438,442,383.92/21,996.87
  6. Step 6: Final answer
    x = 19,932.04

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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.