Home / 18,684.54-28,018.62-5,537.70

Finding the Fourth Proportional to 18,684.54, 28,018.62 and 5,537.70

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Solution

The fourth proportional to 18,684.54, 28,018.62 and 5,537.70 is: 8,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684.54 : 28,018.62 = 5,537.70 : x
  2. Step 2: Convert to fraction form
    18,684.54/28,018.62 = 5,537.70/x
  3. Step 3: Cross multiply
    18,684.54x = 28,018.62 × 5,537.70
  4. Step 4: Simplify right side
    18,684.54x = 155,158,711.97
  5. Step 5: Solve for x
    x = 155,158,711.97/18,684.54
  6. Step 6: Final answer
    x = 8,304.12

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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.