Home / 13,786.20-20,659.86-8,848.44

Finding the Fourth Proportional to 13,786.20, 20,659.86 and 8,848.44

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Solution

The fourth proportional to 13,786.20, 20,659.86 and 8,848.44 is: 13,260.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.20 : 20,659.86 = 8,848.44 : x
  2. Step 2: Convert to fraction form
    13,786.20/20,659.86 = 8,848.44/x
  3. Step 3: Cross multiply
    13,786.20x = 20,659.86 × 8,848.44
  4. Step 4: Simplify right side
    13,786.20x = 182,807,531.62
  5. Step 5: Solve for x
    x = 182,807,531.62/13,786.20
  6. Step 6: Final answer
    x = 13,260.18

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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.