Home / 21,922.67-30,263.35-12,846.77

Finding the Fourth Proportional to 21,922.67, 30,263.35 and 12,846.77

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Solution

The fourth proportional to 21,922.67, 30,263.35 and 12,846.77 is: 17,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,922.67 : 30,263.35 = 12,846.77 : x
  2. Step 2: Convert to fraction form
    21,922.67/30,263.35 = 12,846.77/x
  3. Step 3: Cross multiply
    21,922.67x = 30,263.35 × 12,846.77
  4. Step 4: Simplify right side
    21,922.67x = 388,786,296.88
  5. Step 5: Solve for x
    x = 388,786,296.88/21,922.67
  6. Step 6: Final answer
    x = 17,734.44

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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.