Home / 17,115.72-25,674.30-8,358.36

Finding the Fourth Proportional to 17,115.72, 25,674.30 and 8,358.36

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Solution

The fourth proportional to 17,115.72, 25,674.30 and 8,358.36 is: 12,537.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,115.72 : 25,674.30 = 8,358.36 : x
  2. Step 2: Convert to fraction form
    17,115.72/25,674.30 = 8,358.36/x
  3. Step 3: Cross multiply
    17,115.72x = 25,674.30 × 8,358.36
  4. Step 4: Simplify right side
    17,115.72x = 214,595,042.15
  5. Step 5: Solve for x
    x = 214,595,042.15/17,115.72
  6. Step 6: Final answer
    x = 12,537.89

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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.