Home / 21,550.26-29,732.43-13,049.66

Finding the Fourth Proportional to 21,550.26, 29,732.43 and 13,049.66

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Solution

The fourth proportional to 21,550.26, 29,732.43 and 13,049.66 is: 18,004.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,550.26 : 29,732.43 = 13,049.66 : x
  2. Step 2: Convert to fraction form
    21,550.26/29,732.43 = 13,049.66/x
  3. Step 3: Cross multiply
    21,550.26x = 29,732.43 × 13,049.66
  4. Step 4: Simplify right side
    21,550.26x = 387,998,225.74
  5. Step 5: Solve for x
    x = 387,998,225.74/21,550.26
  6. Step 6: Final answer
    x = 18,004.34

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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.