Home / 21,394.25-29,521.80-11,832.62

Finding the Fourth Proportional to 21,394.25, 29,521.80 and 11,832.62

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Solution

The fourth proportional to 21,394.25, 29,521.80 and 11,832.62 is: 16,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.25 : 29,521.80 = 11,832.62 : x
  2. Step 2: Convert to fraction form
    21,394.25/29,521.80 = 11,832.62/x
  3. Step 3: Cross multiply
    21,394.25x = 29,521.80 × 11,832.62
  4. Step 4: Simplify right side
    21,394.25x = 349,320,189.94
  5. Step 5: Solve for x
    x = 349,320,189.94/21,394.25
  6. Step 6: Final answer
    x = 16,327.76

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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.