Home / 18,320.44-27,486.94-7,790.04

Finding the Fourth Proportional to 18,320.44, 27,486.94 and 7,790.04

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Solution

The fourth proportional to 18,320.44, 27,486.94 and 7,790.04 is: 11,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.44 : 27,486.94 = 7,790.04 : x
  2. Step 2: Convert to fraction form
    18,320.44/27,486.94 = 7,790.04/x
  3. Step 3: Cross multiply
    18,320.44x = 27,486.94 × 7,790.04
  4. Step 4: Simplify right side
    18,320.44x = 214,124,362.08
  5. Step 5: Solve for x
    x = 214,124,362.08/18,320.44
  6. Step 6: Final answer
    x = 11,687.73

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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.