Home / 21,050-29,048.62-11,618.36

Finding the Fourth Proportional to 21,050, 29,048.62 and 11,618.36

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Solution

The fourth proportional to 21,050, 29,048.62 and 11,618.36 is: 16,033.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,050 : 29,048.62 = 11,618.36 : x
  2. Step 2: Convert to fraction form
    21,050/29,048.62 = 11,618.36/x
  3. Step 3: Cross multiply
    21,050x = 29,048.62 × 11,618.36
  4. Step 4: Simplify right side
    21,050x = 337,497,324.66
  5. Step 5: Solve for x
    x = 337,497,324.66/21,050
  6. Step 6: Final answer
    x = 16,033.13

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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.