Home / 18,467.74-27,705.24-6,781.06

Finding the Fourth Proportional to 18,467.74, 27,705.24 and 6,781.06

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Solution

The fourth proportional to 18,467.74, 27,705.24 and 6,781.06 is: 10,172.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,467.74 : 27,705.24 = 6,781.06 : x
  2. Step 2: Convert to fraction form
    18,467.74/27,705.24 = 6,781.06/x
  3. Step 3: Cross multiply
    18,467.74x = 27,705.24 × 6,781.06
  4. Step 4: Simplify right side
    18,467.74x = 187,870,894.75
  5. Step 5: Solve for x
    x = 187,870,894.75/18,467.74
  6. Step 6: Final answer
    x = 10,172.92

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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.