Home / 20,584.44-30,878.56-9,494.20

Finding the Fourth Proportional to 20,584.44, 30,878.56 and 9,494.20

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Solution

The fourth proportional to 20,584.44, 30,878.56 and 9,494.20 is: 14,242.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,584.44 : 30,878.56 = 9,494.20 : x
  2. Step 2: Convert to fraction form
    20,584.44/30,878.56 = 9,494.20/x
  3. Step 3: Cross multiply
    20,584.44x = 30,878.56 × 9,494.20
  4. Step 4: Simplify right side
    20,584.44x = 293,167,224.35
  5. Step 5: Solve for x
    x = 293,167,224.35/20,584.44
  6. Step 6: Final answer
    x = 14,242.18

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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.