Home / 21,684.26-29,923.89-12,252.62

Finding the Fourth Proportional to 21,684.26, 29,923.89 and 12,252.62

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Solution

The fourth proportional to 21,684.26, 29,923.89 and 12,252.62 is: 16,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684.26 : 29,923.89 = 12,252.62 : x
  2. Step 2: Convert to fraction form
    21,684.26/29,923.89 = 12,252.62/x
  3. Step 3: Cross multiply
    21,684.26x = 29,923.89 × 12,252.62
  4. Step 4: Simplify right side
    21,684.26x = 366,646,053.09
  5. Step 5: Solve for x
    x = 366,646,053.09/21,684.26
  6. Step 6: Final answer
    x = 16,908.40

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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.