Home / 18,850.12-28,255.50-6,365.84

Finding the Fourth Proportional to 18,850.12, 28,255.50 and 6,365.84

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Solution

The fourth proportional to 18,850.12, 28,255.50 and 6,365.84 is: 9,542.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.12 : 28,255.50 = 6,365.84 : x
  2. Step 2: Convert to fraction form
    18,850.12/28,255.50 = 6,365.84/x
  3. Step 3: Cross multiply
    18,850.12x = 28,255.50 × 6,365.84
  4. Step 4: Simplify right side
    18,850.12x = 179,869,992.12
  5. Step 5: Solve for x
    x = 179,869,992.12/18,850.12
  6. Step 6: Final answer
    x = 9,542.11

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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.