Home / 18,998.22-28,501.78-5,850.30

Finding the Fourth Proportional to 18,998.22, 28,501.78 and 5,850.30

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Solution

The fourth proportional to 18,998.22, 28,501.78 and 5,850.30 is: 8,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,998.22 : 28,501.78 = 5,850.30 : x
  2. Step 2: Convert to fraction form
    18,998.22/28,501.78 = 5,850.30/x
  3. Step 3: Cross multiply
    18,998.22x = 28,501.78 × 5,850.30
  4. Step 4: Simplify right side
    18,998.22x = 166,743,963.53
  5. Step 5: Solve for x
    x = 166,743,963.53/18,998.22
  6. Step 6: Final answer
    x = 8,776.82

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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.