Home / 21,635.50-29,857.32-12,204.24

Finding the Fourth Proportional to 21,635.50, 29,857.32 and 12,204.24

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Solution

The fourth proportional to 21,635.50, 29,857.32 and 12,204.24 is: 16,842.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,635.50 : 29,857.32 = 12,204.24 : x
  2. Step 2: Convert to fraction form
    21,635.50/29,857.32 = 12,204.24/x
  3. Step 3: Cross multiply
    21,635.50x = 29,857.32 × 12,204.24
  4. Step 4: Simplify right side
    21,635.50x = 364,385,899.04
  5. Step 5: Solve for x
    x = 364,385,899.04/21,635.50
  6. Step 6: Final answer
    x = 16,842.04

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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.