Home / 15,647.24-23,331.27-13,908.57

Finding the Fourth Proportional to 15,647.24, 23,331.27 and 13,908.57

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Solution

The fourth proportional to 15,647.24, 23,331.27 and 13,908.57 is: 20,738.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.24 : 23,331.27 = 13,908.57 : x
  2. Step 2: Convert to fraction form
    15,647.24/23,331.27 = 13,908.57/x
  3. Step 3: Cross multiply
    15,647.24x = 23,331.27 × 13,908.57
  4. Step 4: Simplify right side
    15,647.24x = 324,504,532.44
  5. Step 5: Solve for x
    x = 324,504,532.44/15,647.24
  6. Step 6: Final answer
    x = 20,738.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.