Home / 18,756.80-28,113.99-6,273.89

Finding the Fourth Proportional to 18,756.80, 28,113.99 and 6,273.89

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Solution

The fourth proportional to 18,756.80, 28,113.99 and 6,273.89 is: 9,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,756.80 : 28,113.99 = 6,273.89 : x
  2. Step 2: Convert to fraction form
    18,756.80/28,113.99 = 6,273.89/x
  3. Step 3: Cross multiply
    18,756.80x = 28,113.99 × 6,273.89
  4. Step 4: Simplify right side
    18,756.80x = 176,384,022.05
  5. Step 5: Solve for x
    x = 176,384,022.05/18,756.80
  6. Step 6: Final answer
    x = 9,403.74

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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.