Home / 18,795.55-28,190.89-8,941.09

Finding the Fourth Proportional to 18,795.55, 28,190.89 and 8,941.09

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Solution

The fourth proportional to 18,795.55, 28,190.89 and 8,941.09 is: 13,410.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.55 : 28,190.89 = 8,941.09 : x
  2. Step 2: Convert to fraction form
    18,795.55/28,190.89 = 8,941.09/x
  3. Step 3: Cross multiply
    18,795.55x = 28,190.89 × 8,941.09
  4. Step 4: Simplify right side
    18,795.55x = 252,057,284.67
  5. Step 5: Solve for x
    x = 252,057,284.67/18,795.55
  6. Step 6: Final answer
    x = 13,410.48

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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.