Home / 18,941.44-28,406.88-11,544.52

Finding the Fourth Proportional to 18,941.44, 28,406.88 and 11,544.52

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Solution

The fourth proportional to 18,941.44, 28,406.88 and 11,544.52 is: 17,313.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.44 : 28,406.88 = 11,544.52 : x
  2. Step 2: Convert to fraction form
    18,941.44/28,406.88 = 11,544.52/x
  3. Step 3: Cross multiply
    18,941.44x = 28,406.88 × 11,544.52
  4. Step 4: Simplify right side
    18,941.44x = 327,943,794.30
  5. Step 5: Solve for x
    x = 327,943,794.30/18,941.44
  6. Step 6: Final answer
    x = 17,313.56

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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.