Home / 17,121.78-23,635.33-10,409.55

Finding the Fourth Proportional to 17,121.78, 23,635.33 and 10,409.55

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Solution

The fourth proportional to 17,121.78, 23,635.33 and 10,409.55 is: 14,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.78 : 23,635.33 = 10,409.55 : x
  2. Step 2: Convert to fraction form
    17,121.78/23,635.33 = 10,409.55/x
  3. Step 3: Cross multiply
    17,121.78x = 23,635.33 × 10,409.55
  4. Step 4: Simplify right side
    17,121.78x = 246,033,149.40
  5. Step 5: Solve for x
    x = 246,033,149.40/17,121.78
  6. Step 6: Final answer
    x = 14,369.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.