Home / 17,238.45-23,789.09-9,684.78

Finding the Fourth Proportional to 17,238.45, 23,789.09 and 9,684.78

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Solution

The fourth proportional to 17,238.45, 23,789.09 and 9,684.78 is: 13,365.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,238.45 : 23,789.09 = 9,684.78 : x
  2. Step 2: Convert to fraction form
    17,238.45/23,789.09 = 9,684.78/x
  3. Step 3: Cross multiply
    17,238.45x = 23,789.09 × 9,684.78
  4. Step 4: Simplify right side
    17,238.45x = 230,392,054.63
  5. Step 5: Solve for x
    x = 230,392,054.63/17,238.45
  6. Step 6: Final answer
    x = 13,365.01

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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.