Home / 14,847.39-20,489.46-8,133.45

Finding the Fourth Proportional to 14,847.39, 20,489.46 and 8,133.45

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Solution

The fourth proportional to 14,847.39, 20,489.46 and 8,133.45 is: 11,224.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.39 : 20,489.46 = 8,133.45 : x
  2. Step 2: Convert to fraction form
    14,847.39/20,489.46 = 8,133.45/x
  3. Step 3: Cross multiply
    14,847.39x = 20,489.46 × 8,133.45
  4. Step 4: Simplify right side
    14,847.39x = 166,649,998.44
  5. Step 5: Solve for x
    x = 166,649,998.44/14,847.39
  6. Step 6: Final answer
    x = 11,224.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.