Home / 21,226.34-29,291.77-11,794.66

Finding the Fourth Proportional to 21,226.34, 29,291.77 and 11,794.66

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Solution

The fourth proportional to 21,226.34, 29,291.77 and 11,794.66 is: 16,276.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.34 : 29,291.77 = 11,794.66 : x
  2. Step 2: Convert to fraction form
    21,226.34/29,291.77 = 11,794.66/x
  3. Step 3: Cross multiply
    21,226.34x = 29,291.77 × 11,794.66
  4. Step 4: Simplify right side
    21,226.34x = 345,486,467.95
  5. Step 5: Solve for x
    x = 345,486,467.95/21,226.34
  6. Step 6: Final answer
    x = 16,276.31

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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.