Home / 20,052.56-30,108.41-11,185.21

Finding the Fourth Proportional to 20,052.56, 30,108.41 and 11,185.21

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Solution

The fourth proportional to 20,052.56, 30,108.41 and 11,185.21 is: 16,794.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052.56 : 30,108.41 = 11,185.21 : x
  2. Step 2: Convert to fraction form
    20,052.56/30,108.41 = 11,185.21/x
  3. Step 3: Cross multiply
    20,052.56x = 30,108.41 × 11,185.21
  4. Step 4: Simplify right side
    20,052.56x = 336,768,937.26
  5. Step 5: Solve for x
    x = 336,768,937.26/20,052.56
  6. Step 6: Final answer
    x = 16,794.31

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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.