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Finding the Fourth Proportional to 18,180.65, 27,270.18 and 5,700.39

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Solution

The fourth proportional to 18,180.65, 27,270.18 and 5,700.39 is: 8,550.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.65 : 27,270.18 = 5,700.39 : x
  2. Step 2: Convert to fraction form
    18,180.65/27,270.18 = 5,700.39/x
  3. Step 3: Cross multiply
    18,180.65x = 27,270.18 × 5,700.39
  4. Step 4: Simplify right side
    18,180.65x = 155,450,661.37
  5. Step 5: Solve for x
    x = 155,450,661.37/18,180.65
  6. Step 6: Final answer
    x = 8,550.34

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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.