Home / 21,634.63-29,855.79-11,698.63

Finding the Fourth Proportional to 21,634.63, 29,855.79 and 11,698.63

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Solution

The fourth proportional to 21,634.63, 29,855.79 and 11,698.63 is: 16,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.63 : 29,855.79 = 11,698.63 : x
  2. Step 2: Convert to fraction form
    21,634.63/29,855.79 = 11,698.63/x
  3. Step 3: Cross multiply
    21,634.63x = 29,855.79 × 11,698.63
  4. Step 4: Simplify right side
    21,634.63x = 349,271,632.80
  5. Step 5: Solve for x
    x = 349,271,632.80/21,634.63
  6. Step 6: Final answer
    x = 16,144.10

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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.