Home / 21,674.41-29,910.70-12,242.97

Finding the Fourth Proportional to 21,674.41, 29,910.70 and 12,242.97

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Solution

The fourth proportional to 21,674.41, 29,910.70 and 12,242.97 is: 16,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674.41 : 29,910.70 = 12,242.97 : x
  2. Step 2: Convert to fraction form
    21,674.41/29,910.70 = 12,242.97/x
  3. Step 3: Cross multiply
    21,674.41x = 29,910.70 × 12,242.97
  4. Step 4: Simplify right side
    21,674.41x = 366,195,802.78
  5. Step 5: Solve for x
    x = 366,195,802.78/21,674.41
  6. Step 6: Final answer
    x = 16,895.31

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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.