Home / 20,170.22-30,255.08-9,069.07

Finding the Fourth Proportional to 20,170.22, 30,255.08 and 9,069.07

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Solution

The fourth proportional to 20,170.22, 30,255.08 and 9,069.07 is: 13,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,170.22 : 30,255.08 = 9,069.07 : x
  2. Step 2: Convert to fraction form
    20,170.22/30,255.08 = 9,069.07/x
  3. Step 3: Cross multiply
    20,170.22x = 30,255.08 × 9,069.07
  4. Step 4: Simplify right side
    20,170.22x = 274,385,438.38
  5. Step 5: Solve for x
    x = 274,385,438.38/20,170.22
  6. Step 6: Final answer
    x = 13,603.49

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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.