Home / 21,653.44-29,874.94-12,701.32

Finding the Fourth Proportional to 21,653.44, 29,874.94 and 12,701.32

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Solution

The fourth proportional to 21,653.44, 29,874.94 and 12,701.32 is: 17,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653.44 : 29,874.94 = 12,701.32 : x
  2. Step 2: Convert to fraction form
    21,653.44/29,874.94 = 12,701.32/x
  3. Step 3: Cross multiply
    21,653.44x = 29,874.94 × 12,701.32
  4. Step 4: Simplify right side
    21,653.44x = 379,451,172.92
  5. Step 5: Solve for x
    x = 379,451,172.92/21,653.44
  6. Step 6: Final answer
    x = 17,523.83

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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.