Home / 20,111.67-30,157.77-6,069.09

Finding the Fourth Proportional to 20,111.67, 30,157.77 and 6,069.09

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Solution

The fourth proportional to 20,111.67, 30,157.77 and 6,069.09 is: 9,100.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,111.67 : 30,157.77 = 6,069.09 : x
  2. Step 2: Convert to fraction form
    20,111.67/30,157.77 = 6,069.09/x
  3. Step 3: Cross multiply
    20,111.67x = 30,157.77 × 6,069.09
  4. Step 4: Simplify right side
    20,111.67x = 183,030,220.33
  5. Step 5: Solve for x
    x = 183,030,220.33/20,111.67
  6. Step 6: Final answer
    x = 9,100.70

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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.