Home / 18,882.82-26,052.81-12,170.74

Finding the Fourth Proportional to 18,882.82, 26,052.81 and 12,170.74

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Solution

The fourth proportional to 18,882.82, 26,052.81 and 12,170.74 is: 16,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,882.82 : 26,052.81 = 12,170.74 : x
  2. Step 2: Convert to fraction form
    18,882.82/26,052.81 = 12,170.74/x
  3. Step 3: Cross multiply
    18,882.82x = 26,052.81 × 12,170.74
  4. Step 4: Simplify right side
    18,882.82x = 317,081,976.78
  5. Step 5: Solve for x
    x = 317,081,976.78/18,882.82
  6. Step 6: Final answer
    x = 16,792.09

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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.