Home / 18,109.35-27,160.79-4,960.62

Finding the Fourth Proportional to 18,109.35, 27,160.79 and 4,960.62

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Solution

The fourth proportional to 18,109.35, 27,160.79 and 4,960.62 is: 7,440.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,109.35 : 27,160.79 = 4,960.62 : x
  2. Step 2: Convert to fraction form
    18,109.35/27,160.79 = 4,960.62/x
  3. Step 3: Cross multiply
    18,109.35x = 27,160.79 × 4,960.62
  4. Step 4: Simplify right side
    18,109.35x = 134,734,333.29
  5. Step 5: Solve for x
    x = 134,734,333.29/18,109.35
  6. Step 6: Final answer
    x = 7,440.04

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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.