Home / 18,849.76-28,273.42-7,162.68

Finding the Fourth Proportional to 18,849.76, 28,273.42 and 7,162.68

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Solution

The fourth proportional to 18,849.76, 28,273.42 and 7,162.68 is: 10,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.76 : 28,273.42 = 7,162.68 : x
  2. Step 2: Convert to fraction form
    18,849.76/28,273.42 = 7,162.68/x
  3. Step 3: Cross multiply
    18,849.76x = 28,273.42 × 7,162.68
  4. Step 4: Simplify right side
    18,849.76x = 202,513,459.97
  5. Step 5: Solve for x
    x = 202,513,459.97/18,849.76
  6. Step 6: Final answer
    x = 10,743.56

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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.