Home / 21,994.04-30,351.67-11,922.39

Finding the Fourth Proportional to 21,994.04, 30,351.67 and 11,922.39

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Solution

The fourth proportional to 21,994.04, 30,351.67 and 11,922.39 is: 16,452.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,994.04 : 30,351.67 = 11,922.39 : x
  2. Step 2: Convert to fraction form
    21,994.04/30,351.67 = 11,922.39/x
  3. Step 3: Cross multiply
    21,994.04x = 30,351.67 × 11,922.39
  4. Step 4: Simplify right side
    21,994.04x = 361,864,417.09
  5. Step 5: Solve for x
    x = 361,864,417.09/21,994.04
  6. Step 6: Final answer
    x = 16,452.84

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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.