Home / 20,608.07-30,917.89-5,817.11

Finding the Fourth Proportional to 20,608.07, 30,917.89 and 5,817.11

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Solution

The fourth proportional to 20,608.07, 30,917.89 and 5,817.11 is: 8,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,608.07 : 30,917.89 = 5,817.11 : x
  2. Step 2: Convert to fraction form
    20,608.07/30,917.89 = 5,817.11/x
  3. Step 3: Cross multiply
    20,608.07x = 30,917.89 × 5,817.11
  4. Step 4: Simplify right side
    20,608.07x = 179,852,619.78
  5. Step 5: Solve for x
    x = 179,852,619.78/20,608.07
  6. Step 6: Final answer
    x = 8,727.29

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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.