Home / 18,219.34-27,329.35-5,739.77

Finding the Fourth Proportional to 18,219.34, 27,329.35 and 5,739.77

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Solution

The fourth proportional to 18,219.34, 27,329.35 and 5,739.77 is: 8,609.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219.34 : 27,329.35 = 5,739.77 : x
  2. Step 2: Convert to fraction form
    18,219.34/27,329.35 = 5,739.77/x
  3. Step 3: Cross multiply
    18,219.34x = 27,329.35 × 5,739.77
  4. Step 4: Simplify right side
    18,219.34x = 156,864,183.25
  5. Step 5: Solve for x
    x = 156,864,183.25/18,219.34
  6. Step 6: Final answer
    x = 8,609.76

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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.