Home / 21,404.44-29,538.12-11,973

Finding the Fourth Proportional to 21,404.44, 29,538.12 and 11,973

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Solution

The fourth proportional to 21,404.44, 29,538.12 and 11,973 is: 16,522.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404.44 : 29,538.12 = 11,973 : x
  2. Step 2: Convert to fraction form
    21,404.44/29,538.12 = 11,973/x
  3. Step 3: Cross multiply
    21,404.44x = 29,538.12 × 11,973
  4. Step 4: Simplify right side
    21,404.44x = 353,659,910.76
  5. Step 5: Solve for x
    x = 353,659,910.76/21,404.44
  6. Step 6: Final answer
    x = 16,522.74

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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.