Home / 21,067.41-29,069.23-12,566.36

Finding the Fourth Proportional to 21,067.41, 29,069.23 and 12,566.36

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Solution

The fourth proportional to 21,067.41, 29,069.23 and 12,566.36 is: 17,339.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,067.41 : 29,069.23 = 12,566.36 : x
  2. Step 2: Convert to fraction form
    21,067.41/29,069.23 = 12,566.36/x
  3. Step 3: Cross multiply
    21,067.41x = 29,069.23 × 12,566.36
  4. Step 4: Simplify right side
    21,067.41x = 365,294,409.10
  5. Step 5: Solve for x
    x = 365,294,409.10/21,067.41
  6. Step 6: Final answer
    x = 17,339.31

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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.