Home / 14,245.44-21,339.45-11,928.60

Finding the Fourth Proportional to 14,245.44, 21,339.45 and 11,928.60

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Solution

The fourth proportional to 14,245.44, 21,339.45 and 11,928.60 is: 17,868.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.44 : 21,339.45 = 11,928.60 : x
  2. Step 2: Convert to fraction form
    14,245.44/21,339.45 = 11,928.60/x
  3. Step 3: Cross multiply
    14,245.44x = 21,339.45 × 11,928.60
  4. Step 4: Simplify right side
    14,245.44x = 254,549,763.27
  5. Step 5: Solve for x
    x = 254,549,763.27/14,245.44
  6. Step 6: Final answer
    x = 17,868.86

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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.