Home / 21,944.96-30,283.82-11,873.18

Finding the Fourth Proportional to 21,944.96, 30,283.82 and 11,873.18

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Solution

The fourth proportional to 21,944.96, 30,283.82 and 11,873.18 is: 16,384.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,944.96 : 30,283.82 = 11,873.18 : x
  2. Step 2: Convert to fraction form
    21,944.96/30,283.82 = 11,873.18/x
  3. Step 3: Cross multiply
    21,944.96x = 30,283.82 × 11,873.18
  4. Step 4: Simplify right side
    21,944.96x = 359,565,245.95
  5. Step 5: Solve for x
    x = 359,565,245.95/21,944.96
  6. Step 6: Final answer
    x = 16,384.87

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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.