Home / 12,873.10-17,755.71-11,814.28

Finding the Fourth Proportional to 12,873.10, 17,755.71 and 11,814.28

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Solution

The fourth proportional to 12,873.10, 17,755.71 and 11,814.28 is: 16,295.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,873.10 : 17,755.71 = 11,814.28 : x
  2. Step 2: Convert to fraction form
    12,873.10/17,755.71 = 11,814.28/x
  3. Step 3: Cross multiply
    12,873.10x = 17,755.71 × 11,814.28
  4. Step 4: Simplify right side
    12,873.10x = 209,770,929.54
  5. Step 5: Solve for x
    x = 209,770,929.54/12,873.10
  6. Step 6: Final answer
    x = 16,295.30

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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.