Home / 18,440.04-27,660.16-4,589.04

Finding the Fourth Proportional to 18,440.04, 27,660.16 and 4,589.04

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Solution

The fourth proportional to 18,440.04, 27,660.16 and 4,589.04 is: 6,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440.04 : 27,660.16 = 4,589.04 : x
  2. Step 2: Convert to fraction form
    18,440.04/27,660.16 = 4,589.04/x
  3. Step 3: Cross multiply
    18,440.04x = 27,660.16 × 4,589.04
  4. Step 4: Simplify right side
    18,440.04x = 126,933,580.65
  5. Step 5: Solve for x
    x = 126,933,580.65/18,440.04
  6. Step 6: Final answer
    x = 6,883.58

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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.