Home / 18,450.84-27,684.36-6,767.40

Finding the Fourth Proportional to 18,450.84, 27,684.36 and 6,767.40

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Solution

The fourth proportional to 18,450.84, 27,684.36 and 6,767.40 is: 10,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.84 : 27,684.36 = 6,767.40 : x
  2. Step 2: Convert to fraction form
    18,450.84/27,684.36 = 6,767.40/x
  3. Step 3: Cross multiply
    18,450.84x = 27,684.36 × 6,767.40
  4. Step 4: Simplify right side
    18,450.84x = 187,351,137.86
  5. Step 5: Solve for x
    x = 187,351,137.86/18,450.84
  6. Step 6: Final answer
    x = 10,154.07

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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.