Home / 21,664.26-29,896.83-12,232.89

Finding the Fourth Proportional to 21,664.26, 29,896.83 and 12,232.89

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Solution

The fourth proportional to 21,664.26, 29,896.83 and 12,232.89 is: 16,881.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.26 : 29,896.83 = 12,232.89 : x
  2. Step 2: Convert to fraction form
    21,664.26/29,896.83 = 12,232.89/x
  3. Step 3: Cross multiply
    21,664.26x = 29,896.83 × 12,232.89
  4. Step 4: Simplify right side
    21,664.26x = 365,724,632.74
  5. Step 5: Solve for x
    x = 365,724,632.74/21,664.26
  6. Step 6: Final answer
    x = 16,881.47

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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.