Home / 18,448.12-27,660.78-7,924.96

Finding the Fourth Proportional to 18,448.12, 27,660.78 and 7,924.96

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Solution

The fourth proportional to 18,448.12, 27,660.78 and 7,924.96 is: 11,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.12 : 27,660.78 = 7,924.96 : x
  2. Step 2: Convert to fraction form
    18,448.12/27,660.78 = 7,924.96/x
  3. Step 3: Cross multiply
    18,448.12x = 27,660.78 × 7,924.96
  4. Step 4: Simplify right side
    18,448.12x = 219,210,575.07
  5. Step 5: Solve for x
    x = 219,210,575.07/18,448.12
  6. Step 6: Final answer
    x = 11,882.54

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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.