Home / 18,850.37-28,278.59-5,701.64

Finding the Fourth Proportional to 18,850.37, 28,278.59 and 5,701.64

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Solution

The fourth proportional to 18,850.37, 28,278.59 and 5,701.64 is: 8,553.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.37 : 28,278.59 = 5,701.64 : x
  2. Step 2: Convert to fraction form
    18,850.37/28,278.59 = 5,701.64/x
  3. Step 3: Cross multiply
    18,850.37x = 28,278.59 × 5,701.64
  4. Step 4: Simplify right side
    18,850.37x = 161,234,169.99
  5. Step 5: Solve for x
    x = 161,234,169.99/18,850.37
  6. Step 6: Final answer
    x = 8,553.37

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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.