Home / 17,072.10-25,608.15-11,167.20

Finding the Fourth Proportional to 17,072.10, 25,608.15 and 11,167.20

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Solution

The fourth proportional to 17,072.10, 25,608.15 and 11,167.20 is: 16,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,072.10 : 25,608.15 = 11,167.20 : x
  2. Step 2: Convert to fraction form
    17,072.10/25,608.15 = 11,167.20/x
  3. Step 3: Cross multiply
    17,072.10x = 25,608.15 × 11,167.20
  4. Step 4: Simplify right side
    17,072.10x = 285,971,332.68
  5. Step 5: Solve for x
    x = 285,971,332.68/17,072.10
  6. Step 6: Final answer
    x = 16,750.80

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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.