Home / 21,394.82-29,524.29-11,964.26

Finding the Fourth Proportional to 21,394.82, 29,524.29 and 11,964.26

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Solution

The fourth proportional to 21,394.82, 29,524.29 and 11,964.26 is: 16,510.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.82 : 29,524.29 = 11,964.26 : x
  2. Step 2: Convert to fraction form
    21,394.82/29,524.29 = 11,964.26/x
  3. Step 3: Cross multiply
    21,394.82x = 29,524.29 × 11,964.26
  4. Step 4: Simplify right side
    21,394.82x = 353,236,281.88
  5. Step 5: Solve for x
    x = 353,236,281.88/21,394.82
  6. Step 6: Final answer
    x = 16,510.36

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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.