Home / 16,760.20-25,118.70-12,845.20

Finding the Fourth Proportional to 16,760.20, 25,118.70 and 12,845.20

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Solution

The fourth proportional to 16,760.20, 25,118.70 and 12,845.20 is: 19,251.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,760.20 : 25,118.70 = 12,845.20 : x
  2. Step 2: Convert to fraction form
    16,760.20/25,118.70 = 12,845.20/x
  3. Step 3: Cross multiply
    16,760.20x = 25,118.70 × 12,845.20
  4. Step 4: Simplify right side
    16,760.20x = 322,654,725.24
  5. Step 5: Solve for x
    x = 322,654,725.24/16,760.20
  6. Step 6: Final answer
    x = 19,251.25

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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.