Home / 13,444.80-20,150.40-6,873.60

Finding the Fourth Proportional to 13,444.80, 20,150.40 and 6,873.60

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Solution

The fourth proportional to 13,444.80, 20,150.40 and 6,873.60 is: 10,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.80 : 20,150.40 = 6,873.60 : x
  2. Step 2: Convert to fraction form
    13,444.80/20,150.40 = 6,873.60/x
  3. Step 3: Cross multiply
    13,444.80x = 20,150.40 × 6,873.60
  4. Step 4: Simplify right side
    13,444.80x = 138,505,789.44
  5. Step 5: Solve for x
    x = 138,505,789.44/13,444.80
  6. Step 6: Final answer
    x = 10,301.81

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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.