Home / 18,730.39-28,086.17-6,245.99

Finding the Fourth Proportional to 18,730.39, 28,086.17 and 6,245.99

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Solution

The fourth proportional to 18,730.39, 28,086.17 and 6,245.99 is: 9,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.39 : 28,086.17 = 6,245.99 : x
  2. Step 2: Convert to fraction form
    18,730.39/28,086.17 = 6,245.99/x
  3. Step 3: Cross multiply
    18,730.39x = 28,086.17 × 6,245.99
  4. Step 4: Simplify right side
    18,730.39x = 175,425,936.96
  5. Step 5: Solve for x
    x = 175,425,936.96/18,730.39
  6. Step 6: Final answer
    x = 9,365.85

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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.