Home / 21,193.17-29,246.66-11,761.73

Finding the Fourth Proportional to 21,193.17, 29,246.66 and 11,761.73

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Solution

The fourth proportional to 21,193.17, 29,246.66 and 11,761.73 is: 16,231.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.17 : 29,246.66 = 11,761.73 : x
  2. Step 2: Convert to fraction form
    21,193.17/29,246.66 = 11,761.73/x
  3. Step 3: Cross multiply
    21,193.17x = 29,246.66 × 11,761.73
  4. Step 4: Simplify right side
    21,193.17x = 343,991,332.63
  5. Step 5: Solve for x
    x = 343,991,332.63/21,193.17
  6. Step 6: Final answer
    x = 16,231.24

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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.