Home / 13,840.44-20,763.98-3,979.52

Finding the Fourth Proportional to 13,840.44, 20,763.98 and 3,979.52

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Solution

The fourth proportional to 13,840.44, 20,763.98 and 3,979.52 is: 5,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.44 : 20,763.98 = 3,979.52 : x
  2. Step 2: Convert to fraction form
    13,840.44/20,763.98 = 3,979.52/x
  3. Step 3: Cross multiply
    13,840.44x = 20,763.98 × 3,979.52
  4. Step 4: Simplify right side
    13,840.44x = 82,630,673.69
  5. Step 5: Solve for x
    x = 82,630,673.69/13,840.44
  6. Step 6: Final answer
    x = 5,970.23

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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.