Home / 21,410.24-29,543.47-11,976.44

Finding the Fourth Proportional to 21,410.24, 29,543.47 and 11,976.44

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Solution

The fourth proportional to 21,410.24, 29,543.47 and 11,976.44 is: 16,525.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410.24 : 29,543.47 = 11,976.44 : x
  2. Step 2: Convert to fraction form
    21,410.24/29,543.47 = 11,976.44/x
  3. Step 3: Cross multiply
    21,410.24x = 29,543.47 × 11,976.44
  4. Step 4: Simplify right side
    21,410.24x = 353,825,418.19
  5. Step 5: Solve for x
    x = 353,825,418.19/21,410.24
  6. Step 6: Final answer
    x = 16,525.99

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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.