Home / 17,239.70-25,872.41-12,807.60

Finding the Fourth Proportional to 17,239.70, 25,872.41 and 12,807.60

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Solution

The fourth proportional to 17,239.70, 25,872.41 and 12,807.60 is: 19,220.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,239.70 : 25,872.41 = 12,807.60 : x
  2. Step 2: Convert to fraction form
    17,239.70/25,872.41 = 12,807.60/x
  3. Step 3: Cross multiply
    17,239.70x = 25,872.41 × 12,807.60
  4. Step 4: Simplify right side
    17,239.70x = 331,363,414.28
  5. Step 5: Solve for x
    x = 331,363,414.28/17,239.70
  6. Step 6: Final answer
    x = 19,220.96

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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.