Home / 17,119.90-25,636.11-15,166.18

Finding the Fourth Proportional to 17,119.90, 25,636.11 and 15,166.18

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Solution

The fourth proportional to 17,119.90, 25,636.11 and 15,166.18 is: 22,710.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,119.90 : 25,636.11 = 15,166.18 : x
  2. Step 2: Convert to fraction form
    17,119.90/25,636.11 = 15,166.18/x
  3. Step 3: Cross multiply
    17,119.90x = 25,636.11 × 15,166.18
  4. Step 4: Simplify right side
    17,119.90x = 388,801,858.76
  5. Step 5: Solve for x
    x = 388,801,858.76/17,119.90
  6. Step 6: Final answer
    x = 22,710.52

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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.