Home / 19,767.67-27,297.61-12,706.49

Finding the Fourth Proportional to 19,767.67, 27,297.61 and 12,706.49

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Solution

The fourth proportional to 19,767.67, 27,297.61 and 12,706.49 is: 17,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.67 : 27,297.61 = 12,706.49 : x
  2. Step 2: Convert to fraction form
    19,767.67/27,297.61 = 12,706.49/x
  3. Step 3: Cross multiply
    19,767.67x = 27,297.61 × 12,706.49
  4. Step 4: Simplify right side
    19,767.67x = 346,856,844.97
  5. Step 5: Solve for x
    x = 346,856,844.97/19,767.67
  6. Step 6: Final answer
    x = 17,546.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.