Home / 13,837.06-20,755.47-3,976.30

Finding the Fourth Proportional to 13,837.06, 20,755.47 and 3,976.30

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Solution

The fourth proportional to 13,837.06, 20,755.47 and 3,976.30 is: 5,964.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.06 : 20,755.47 = 3,976.30 : x
  2. Step 2: Convert to fraction form
    13,837.06/20,755.47 = 3,976.30/x
  3. Step 3: Cross multiply
    13,837.06x = 20,755.47 × 3,976.30
  4. Step 4: Simplify right side
    13,837.06x = 82,529,871.58
  5. Step 5: Solve for x
    x = 82,529,871.58/13,837.06
  6. Step 6: Final answer
    x = 5,964.41

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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.