Home / 18,267.48-27,404.55-5,790.65

Finding the Fourth Proportional to 18,267.48, 27,404.55 and 5,790.65

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Solution

The fourth proportional to 18,267.48, 27,404.55 and 5,790.65 is: 8,687.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,267.48 : 27,404.55 = 5,790.65 : x
  2. Step 2: Convert to fraction form
    18,267.48/27,404.55 = 5,790.65/x
  3. Step 3: Cross multiply
    18,267.48x = 27,404.55 × 5,790.65
  4. Step 4: Simplify right side
    18,267.48x = 158,690,020.43
  5. Step 5: Solve for x
    x = 158,690,020.43/18,267.48
  6. Step 6: Final answer
    x = 8,687.02

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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.