Home / 21,394.24-29,524.14-11,962.78

Finding the Fourth Proportional to 21,394.24, 29,524.14 and 11,962.78

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Solution

The fourth proportional to 21,394.24, 29,524.14 and 11,962.78 is: 16,508.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,394.24 : 29,524.14 = 11,962.78 : x
  2. Step 2: Convert to fraction form
    21,394.24/29,524.14 = 11,962.78/x
  3. Step 3: Cross multiply
    21,394.24x = 29,524.14 × 11,962.78
  4. Step 4: Simplify right side
    21,394.24x = 353,190,791.51
  5. Step 5: Solve for x
    x = 353,190,791.51/21,394.24
  6. Step 6: Final answer
    x = 16,508.69

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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.