Home / 14,728.46-20,305.77-12,201.26

Finding the Fourth Proportional to 14,728.46, 20,305.77 and 12,201.26

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Solution

The fourth proportional to 14,728.46, 20,305.77 and 12,201.26 is: 16,821.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,728.46 : 20,305.77 = 12,201.26 : x
  2. Step 2: Convert to fraction form
    14,728.46/20,305.77 = 12,201.26/x
  3. Step 3: Cross multiply
    14,728.46x = 20,305.77 × 12,201.26
  4. Step 4: Simplify right side
    14,728.46x = 247,755,979.27
  5. Step 5: Solve for x
    x = 247,755,979.27/14,728.46
  6. Step 6: Final answer
    x = 16,821.58

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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.