Home / 11,726.30-16,185.30-8,141.48

Finding the Fourth Proportional to 11,726.30, 16,185.30 and 8,141.48

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Solution

The fourth proportional to 11,726.30, 16,185.30 and 8,141.48 is: 11,237.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.30 : 16,185.30 = 8,141.48 : x
  2. Step 2: Convert to fraction form
    11,726.30/16,185.30 = 8,141.48/x
  3. Step 3: Cross multiply
    11,726.30x = 16,185.30 × 8,141.48
  4. Step 4: Simplify right side
    11,726.30x = 131,772,296.24
  5. Step 5: Solve for x
    x = 131,772,296.24/11,726.30
  6. Step 6: Final answer
    x = 11,237.33

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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.