Home / 16,943.20-25,414.80-13,006.60

Finding the Fourth Proportional to 16,943.20, 25,414.80 and 13,006.60

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Solution

The fourth proportional to 16,943.20, 25,414.80 and 13,006.60 is: 19,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.20 : 25,414.80 = 13,006.60 : x
  2. Step 2: Convert to fraction form
    16,943.20/25,414.80 = 13,006.60/x
  3. Step 3: Cross multiply
    16,943.20x = 25,414.80 × 13,006.60
  4. Step 4: Simplify right side
    16,943.20x = 330,560,137.68
  5. Step 5: Solve for x
    x = 330,560,137.68/16,943.20
  6. Step 6: Final answer
    x = 19,509.90

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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.