Home / 21,624.78-29,843.58-12,193.94

Finding the Fourth Proportional to 21,624.78, 29,843.58 and 12,193.94

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Solution

The fourth proportional to 21,624.78, 29,843.58 and 12,193.94 is: 16,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,624.78 : 29,843.58 = 12,193.94 : x
  2. Step 2: Convert to fraction form
    21,624.78/29,843.58 = 12,193.94/x
  3. Step 3: Cross multiply
    21,624.78x = 29,843.58 × 12,193.94
  4. Step 4: Simplify right side
    21,624.78x = 363,910,823.91
  5. Step 5: Solve for x
    x = 363,910,823.91/21,624.78
  6. Step 6: Final answer
    x = 16,828.42

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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.