Home / 21,738.04-29,998.46-11,802.04

Finding the Fourth Proportional to 21,738.04, 29,998.46 and 11,802.04

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Solution

The fourth proportional to 21,738.04, 29,998.46 and 11,802.04 is: 16,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,738.04 : 29,998.46 = 11,802.04 : x
  2. Step 2: Convert to fraction form
    21,738.04/29,998.46 = 11,802.04/x
  3. Step 3: Cross multiply
    21,738.04x = 29,998.46 × 11,802.04
  4. Step 4: Simplify right side
    21,738.04x = 354,043,024.86
  5. Step 5: Solve for x
    x = 354,043,024.86/21,738.04
  6. Step 6: Final answer
    x = 16,286.80

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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.