Home / 18,757.03-28,149.38-8,896.34

Finding the Fourth Proportional to 18,757.03, 28,149.38 and 8,896.34

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Solution

The fourth proportional to 18,757.03, 28,149.38 and 8,896.34 is: 13,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,757.03 : 28,149.38 = 8,896.34 : x
  2. Step 2: Convert to fraction form
    18,757.03/28,149.38 = 8,896.34/x
  3. Step 3: Cross multiply
    18,757.03x = 28,149.38 × 8,896.34
  4. Step 4: Simplify right side
    18,757.03x = 250,426,455.27
  5. Step 5: Solve for x
    x = 250,426,455.27/18,757.03
  6. Step 6: Final answer
    x = 13,351.07

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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.