Home / 20,546.22-28,364.94-14,247.66

Finding the Fourth Proportional to 20,546.22, 28,364.94 and 14,247.66

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Solution

The fourth proportional to 20,546.22, 28,364.94 and 14,247.66 is: 19,669.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546.22 : 28,364.94 = 14,247.66 : x
  2. Step 2: Convert to fraction form
    20,546.22/28,364.94 = 14,247.66/x
  3. Step 3: Cross multiply
    20,546.22x = 28,364.94 × 14,247.66
  4. Step 4: Simplify right side
    20,546.22x = 404,134,021.04
  5. Step 5: Solve for x
    x = 404,134,021.04/20,546.22
  6. Step 6: Final answer
    x = 19,669.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.