Home / 21,757.44-30,026.24-12,198.40

Finding the Fourth Proportional to 21,757.44, 30,026.24 and 12,198.40

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Solution

The fourth proportional to 21,757.44, 30,026.24 and 12,198.40 is: 16,834.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,757.44 : 30,026.24 = 12,198.40 : x
  2. Step 2: Convert to fraction form
    21,757.44/30,026.24 = 12,198.40/x
  3. Step 3: Cross multiply
    21,757.44x = 30,026.24 × 12,198.40
  4. Step 4: Simplify right side
    21,757.44x = 366,272,086.02
  5. Step 5: Solve for x
    x = 366,272,086.02/21,757.44
  6. Step 6: Final answer
    x = 16,834.34

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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.