Home / 13,927.09-20,908.44-11,965.27

Finding the Fourth Proportional to 13,927.09, 20,908.44 and 11,965.27

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Solution

The fourth proportional to 13,927.09, 20,908.44 and 11,965.27 is: 17,963.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.09 : 20,908.44 = 11,965.27 : x
  2. Step 2: Convert to fraction form
    13,927.09/20,908.44 = 11,965.27/x
  3. Step 3: Cross multiply
    13,927.09x = 20,908.44 × 11,965.27
  4. Step 4: Simplify right side
    13,927.09x = 250,175,025.34
  5. Step 5: Solve for x
    x = 250,175,025.34/13,927.09
  6. Step 6: Final answer
    x = 17,963.20

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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.