Home / 16,863.68-23,278.44-15,092.21

Finding the Fourth Proportional to 16,863.68, 23,278.44 and 15,092.21

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Solution

The fourth proportional to 16,863.68, 23,278.44 and 15,092.21 is: 20,833.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.68 : 23,278.44 = 15,092.21 : x
  2. Step 2: Convert to fraction form
    16,863.68/23,278.44 = 15,092.21/x
  3. Step 3: Cross multiply
    16,863.68x = 23,278.44 × 15,092.21
  4. Step 4: Simplify right side
    16,863.68x = 351,322,988.56
  5. Step 5: Solve for x
    x = 351,322,988.56/16,863.68
  6. Step 6: Final answer
    x = 20,833.12

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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.