Home / 18,583.30-27,876.39-5,435.38

Finding the Fourth Proportional to 18,583.30, 27,876.39 and 5,435.38

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Solution

The fourth proportional to 18,583.30, 27,876.39 and 5,435.38 is: 8,153.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.30 : 27,876.39 = 5,435.38 : x
  2. Step 2: Convert to fraction form
    18,583.30/27,876.39 = 5,435.38/x
  3. Step 3: Cross multiply
    18,583.30x = 27,876.39 × 5,435.38
  4. Step 4: Simplify right side
    18,583.30x = 151,518,772.68
  5. Step 5: Solve for x
    x = 151,518,772.68/18,583.30
  6. Step 6: Final answer
    x = 8,153.49

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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.