Home / 20,199.38-30,273.75-10,816.13

Finding the Fourth Proportional to 20,199.38, 30,273.75 and 10,816.13

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Solution

The fourth proportional to 20,199.38, 30,273.75 and 10,816.13 is: 16,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.38 : 30,273.75 = 10,816.13 : x
  2. Step 2: Convert to fraction form
    20,199.38/30,273.75 = 10,816.13/x
  3. Step 3: Cross multiply
    20,199.38x = 30,273.75 × 10,816.13
  4. Step 4: Simplify right side
    20,199.38x = 327,444,891.27
  5. Step 5: Solve for x
    x = 327,444,891.27/20,199.38
  6. Step 6: Final answer
    x = 16,210.64

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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.