Home / 21,092.94-29,101.68-14,020.56

Finding the Fourth Proportional to 21,092.94, 29,101.68 and 14,020.56

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Solution

The fourth proportional to 21,092.94, 29,101.68 and 14,020.56 is: 19,344.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.94 : 29,101.68 = 14,020.56 : x
  2. Step 2: Convert to fraction form
    21,092.94/29,101.68 = 14,020.56/x
  3. Step 3: Cross multiply
    21,092.94x = 29,101.68 × 14,020.56
  4. Step 4: Simplify right side
    21,092.94x = 408,021,850.54
  5. Step 5: Solve for x
    x = 408,021,850.54/21,092.94
  6. Step 6: Final answer
    x = 19,344.00

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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.