Home / 21,049.66-29,048.42-11,618.80

Finding the Fourth Proportional to 21,049.66, 29,048.42 and 11,618.80

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Solution

The fourth proportional to 21,049.66, 29,048.42 and 11,618.80 is: 16,033.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,049.66 : 29,048.42 = 11,618.80 : x
  2. Step 2: Convert to fraction form
    21,049.66/29,048.42 = 11,618.80/x
  3. Step 3: Cross multiply
    21,049.66x = 29,048.42 × 11,618.80
  4. Step 4: Simplify right side
    21,049.66x = 337,507,782.30
  5. Step 5: Solve for x
    x = 337,507,782.30/21,049.66
  6. Step 6: Final answer
    x = 16,033.88

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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.