Home / 20,382.16-30,584.27-8,536.97

Finding the Fourth Proportional to 20,382.16, 30,584.27 and 8,536.97

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Solution

The fourth proportional to 20,382.16, 30,584.27 and 8,536.97 is: 12,810.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382.16 : 30,584.27 = 8,536.97 : x
  2. Step 2: Convert to fraction form
    20,382.16/30,584.27 = 8,536.97/x
  3. Step 3: Cross multiply
    20,382.16x = 30,584.27 × 8,536.97
  4. Step 4: Simplify right side
    20,382.16x = 261,096,995.46
  5. Step 5: Solve for x
    x = 261,096,995.46/20,382.16
  6. Step 6: Final answer
    x = 12,810.07

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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.