Home / 13,059.20-17,996.73-12,819.26

Finding the Fourth Proportional to 13,059.20, 17,996.73 and 12,819.26

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Solution

The fourth proportional to 13,059.20, 17,996.73 and 12,819.26 is: 17,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,059.20 : 17,996.73 = 12,819.26 : x
  2. Step 2: Convert to fraction form
    13,059.20/17,996.73 = 12,819.26/x
  3. Step 3: Cross multiply
    13,059.20x = 17,996.73 × 12,819.26
  4. Step 4: Simplify right side
    13,059.20x = 230,704,761.02
  5. Step 5: Solve for x
    x = 230,704,761.02/13,059.20
  6. Step 6: Final answer
    x = 17,666.07

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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.