Home / 17,128.24-23,628.48-13,344.64

Finding the Fourth Proportional to 17,128.24, 23,628.48 and 13,344.64

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Solution

The fourth proportional to 17,128.24, 23,628.48 and 13,344.64 is: 18,408.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,128.24 : 23,628.48 = 13,344.64 : x
  2. Step 2: Convert to fraction form
    17,128.24/23,628.48 = 13,344.64/x
  3. Step 3: Cross multiply
    17,128.24x = 23,628.48 × 13,344.64
  4. Step 4: Simplify right side
    17,128.24x = 315,313,559.35
  5. Step 5: Solve for x
    x = 315,313,559.35/17,128.24
  6. Step 6: Final answer
    x = 18,408.99

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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.