Home / 21,192.63-29,246.73-11,761.19

Finding the Fourth Proportional to 21,192.63, 29,246.73 and 11,761.19

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Solution

The fourth proportional to 21,192.63, 29,246.73 and 11,761.19 is: 16,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.63 : 29,246.73 = 11,761.19 : x
  2. Step 2: Convert to fraction form
    21,192.63/29,246.73 = 11,761.19/x
  3. Step 3: Cross multiply
    21,192.63x = 29,246.73 × 11,761.19
  4. Step 4: Simplify right side
    21,192.63x = 343,976,348.41
  5. Step 5: Solve for x
    x = 343,976,348.41/21,192.63
  6. Step 6: Final answer
    x = 16,230.94

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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.