Home / 20,025.06-30,017.97-11,144.63

Finding the Fourth Proportional to 20,025.06, 30,017.97 and 11,144.63

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Solution

The fourth proportional to 20,025.06, 30,017.97 and 11,144.63 is: 16,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.06 : 30,017.97 = 11,144.63 : x
  2. Step 2: Convert to fraction form
    20,025.06/30,017.97 = 11,144.63/x
  3. Step 3: Cross multiply
    20,025.06x = 30,017.97 × 11,144.63
  4. Step 4: Simplify right side
    20,025.06x = 334,539,169.00
  5. Step 5: Solve for x
    x = 334,539,169.00/20,025.06
  6. Step 6: Final answer
    x = 16,706.03

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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.