Home / 21,067.04-29,072.01-12,114.35

Finding the Fourth Proportional to 21,067.04, 29,072.01 and 12,114.35

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Solution

The fourth proportional to 21,067.04, 29,072.01 and 12,114.35 is: 16,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.04 : 29,072.01 = 12,114.35 : x
  2. Step 2: Convert to fraction form
    21,067.04/29,072.01 = 12,114.35/x
  3. Step 3: Cross multiply
    21,067.04x = 29,072.01 × 12,114.35
  4. Step 4: Simplify right side
    21,067.04x = 352,188,504.34
  5. Step 5: Solve for x
    x = 352,188,504.34/21,067.04
  6. Step 6: Final answer
    x = 16,717.51

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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.