Home / 18,896.05-28,338.99-5,744.89

Finding the Fourth Proportional to 18,896.05, 28,338.99 and 5,744.89

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Solution

The fourth proportional to 18,896.05, 28,338.99 and 5,744.89 is: 8,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,896.05 : 28,338.99 = 5,744.89 : x
  2. Step 2: Convert to fraction form
    18,896.05/28,338.99 = 5,744.89/x
  3. Step 3: Cross multiply
    18,896.05x = 28,338.99 × 5,744.89
  4. Step 4: Simplify right side
    18,896.05x = 162,804,380.26
  5. Step 5: Solve for x
    x = 162,804,380.26/18,896.05
  6. Step 6: Final answer
    x = 8,615.79

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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.