Home / 13,738.43-20,610.21-6,242.52

Finding the Fourth Proportional to 13,738.43, 20,610.21 and 6,242.52

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Solution

The fourth proportional to 13,738.43, 20,610.21 and 6,242.52 is: 9,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.43 : 20,610.21 = 6,242.52 : x
  2. Step 2: Convert to fraction form
    13,738.43/20,610.21 = 6,242.52/x
  3. Step 3: Cross multiply
    13,738.43x = 20,610.21 × 6,242.52
  4. Step 4: Simplify right side
    13,738.43x = 128,659,513.87
  5. Step 5: Solve for x
    x = 128,659,513.87/13,738.43
  6. Step 6: Final answer
    x = 9,364.94

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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.