Home / 13,705.45-20,555.44-3,844.82

Finding the Fourth Proportional to 13,705.45, 20,555.44 and 3,844.82

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Solution

The fourth proportional to 13,705.45, 20,555.44 and 3,844.82 is: 5,766.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,705.45 : 20,555.44 = 3,844.82 : x
  2. Step 2: Convert to fraction form
    13,705.45/20,555.44 = 3,844.82/x
  3. Step 3: Cross multiply
    13,705.45x = 20,555.44 × 3,844.82
  4. Step 4: Simplify right side
    13,705.45x = 79,032,008.60
  5. Step 5: Solve for x
    x = 79,032,008.60/13,705.45
  6. Step 6: Final answer
    x = 5,766.47

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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.