Home / 21,634.58-29,861.14-12,208.62

Finding the Fourth Proportional to 21,634.58, 29,861.14 and 12,208.62

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Solution

The fourth proportional to 21,634.58, 29,861.14 and 12,208.62 is: 16,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.58 : 29,861.14 = 12,208.62 : x
  2. Step 2: Convert to fraction form
    21,634.58/29,861.14 = 12,208.62/x
  3. Step 3: Cross multiply
    21,634.58x = 29,861.14 × 12,208.62
  4. Step 4: Simplify right side
    21,634.58x = 364,563,311.03
  5. Step 5: Solve for x
    x = 364,563,311.03/21,634.58
  6. Step 6: Final answer
    x = 16,850.95

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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.