Home / 11,121.45-16,685.34-3,726.36

Finding the Fourth Proportional to 11,121.45, 16,685.34 and 3,726.36

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Solution

The fourth proportional to 11,121.45, 16,685.34 and 3,726.36 is: 5,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,121.45 : 16,685.34 = 3,726.36 : x
  2. Step 2: Convert to fraction form
    11,121.45/16,685.34 = 3,726.36/x
  3. Step 3: Cross multiply
    11,121.45x = 16,685.34 × 3,726.36
  4. Step 4: Simplify right side
    11,121.45x = 62,175,583.56
  5. Step 5: Solve for x
    x = 62,175,583.56/11,121.45
  6. Step 6: Final answer
    x = 5,590.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.