Home / 18,836.11-28,247.54-5,505.54

Finding the Fourth Proportional to 18,836.11, 28,247.54 and 5,505.54

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Solution

The fourth proportional to 18,836.11, 28,247.54 and 5,505.54 is: 8,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.11 : 28,247.54 = 5,505.54 : x
  2. Step 2: Convert to fraction form
    18,836.11/28,247.54 = 5,505.54/x
  3. Step 3: Cross multiply
    18,836.11x = 28,247.54 × 5,505.54
  4. Step 4: Simplify right side
    18,836.11x = 155,517,827.92
  5. Step 5: Solve for x
    x = 155,517,827.92/18,836.11
  6. Step 6: Final answer
    x = 8,256.37

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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.