Home / 17,486.18-26,245.20-9,171.80

Finding the Fourth Proportional to 17,486.18, 26,245.20 and 9,171.80

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Solution

The fourth proportional to 17,486.18, 26,245.20 and 9,171.80 is: 13,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,486.18 : 26,245.20 = 9,171.80 : x
  2. Step 2: Convert to fraction form
    17,486.18/26,245.20 = 9,171.80/x
  3. Step 3: Cross multiply
    17,486.18x = 26,245.20 × 9,171.80
  4. Step 4: Simplify right side
    17,486.18x = 240,715,725.36
  5. Step 5: Solve for x
    x = 240,715,725.36/17,486.18
  6. Step 6: Final answer
    x = 13,766.06

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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.