Home / 20,733.54-31,093.47-8,256.66

Finding the Fourth Proportional to 20,733.54, 31,093.47 and 8,256.66

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Solution

The fourth proportional to 20,733.54, 31,093.47 and 8,256.66 is: 12,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.54 : 31,093.47 = 8,256.66 : x
  2. Step 2: Convert to fraction form
    20,733.54/31,093.47 = 8,256.66/x
  3. Step 3: Cross multiply
    20,733.54x = 31,093.47 × 8,256.66
  4. Step 4: Simplify right side
    20,733.54x = 256,728,210.01
  5. Step 5: Solve for x
    x = 256,728,210.01/20,733.54
  6. Step 6: Final answer
    x = 12,382.27

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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.