Home / 18,243.46-27,366.27-4,918.42

Finding the Fourth Proportional to 18,243.46, 27,366.27 and 4,918.42

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Solution

The fourth proportional to 18,243.46, 27,366.27 and 4,918.42 is: 7,377.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.46 : 27,366.27 = 4,918.42 : x
  2. Step 2: Convert to fraction form
    18,243.46/27,366.27 = 4,918.42/x
  3. Step 3: Cross multiply
    18,243.46x = 27,366.27 × 4,918.42
  4. Step 4: Simplify right side
    18,243.46x = 134,598,809.69
  5. Step 5: Solve for x
    x = 134,598,809.69/18,243.46
  6. Step 6: Final answer
    x = 7,377.92

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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.