Home / 20,197.44-27,871.81-11,244.75

Finding the Fourth Proportional to 20,197.44, 27,871.81 and 11,244.75

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Solution

The fourth proportional to 20,197.44, 27,871.81 and 11,244.75 is: 15,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,197.44 : 27,871.81 = 11,244.75 : x
  2. Step 2: Convert to fraction form
    20,197.44/27,871.81 = 11,244.75/x
  3. Step 3: Cross multiply
    20,197.44x = 27,871.81 × 11,244.75
  4. Step 4: Simplify right side
    20,197.44x = 313,411,535.50
  5. Step 5: Solve for x
    x = 313,411,535.50/20,197.44
  6. Step 6: Final answer
    x = 15,517.39

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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.