Home / 9,138.14-13,708.09-2,564.31

Finding the Fourth Proportional to 9,138.14, 13,708.09 and 2,564.31

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Solution

The fourth proportional to 9,138.14, 13,708.09 and 2,564.31 is: 3,846.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138.14 : 13,708.09 = 2,564.31 : x
  2. Step 2: Convert to fraction form
    9,138.14/13,708.09 = 2,564.31/x
  3. Step 3: Cross multiply
    9,138.14x = 13,708.09 × 2,564.31
  4. Step 4: Simplify right side
    9,138.14x = 35,151,755.35
  5. Step 5: Solve for x
    x = 35,151,755.35/9,138.14
  6. Step 6: Final answer
    x = 3,846.71

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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.