Home / 21,664.04-29,896.04-12,104.12

Finding the Fourth Proportional to 21,664.04, 29,896.04 and 12,104.12

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Solution

The fourth proportional to 21,664.04, 29,896.04 and 12,104.12 is: 16,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.04 : 29,896.04 = 12,104.12 : x
  2. Step 2: Convert to fraction form
    21,664.04/29,896.04 = 12,104.12/x
  3. Step 3: Cross multiply
    21,664.04x = 29,896.04 × 12,104.12
  4. Step 4: Simplify right side
    21,664.04x = 361,865,045.68
  5. Step 5: Solve for x
    x = 361,865,045.68/21,664.04
  6. Step 6: Final answer
    x = 16,703.49

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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.