Home / 18,840.85-28,260.73-4,800.82

Finding the Fourth Proportional to 18,840.85, 28,260.73 and 4,800.82

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Solution

The fourth proportional to 18,840.85, 28,260.73 and 4,800.82 is: 7,201.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,840.85 : 28,260.73 = 4,800.82 : x
  2. Step 2: Convert to fraction form
    18,840.85/28,260.73 = 4,800.82/x
  3. Step 3: Cross multiply
    18,840.85x = 28,260.73 × 4,800.82
  4. Step 4: Simplify right side
    18,840.85x = 135,674,677.80
  5. Step 5: Solve for x
    x = 135,674,677.80/18,840.85
  6. Step 6: Final answer
    x = 7,201.09

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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.