Home / 16,982.20-25,497.60-13,288.60

Finding the Fourth Proportional to 16,982.20, 25,497.60 and 13,288.60

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Solution

The fourth proportional to 16,982.20, 25,497.60 and 13,288.60 is: 19,951.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,982.20 : 25,497.60 = 13,288.60 : x
  2. Step 2: Convert to fraction form
    16,982.20/25,497.60 = 13,288.60/x
  3. Step 3: Cross multiply
    16,982.20x = 25,497.60 × 13,288.60
  4. Step 4: Simplify right side
    16,982.20x = 338,827,407.36
  5. Step 5: Solve for x
    x = 338,827,407.36/16,982.20
  6. Step 6: Final answer
    x = 19,951.91

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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.