Home / 12,849.52-17,735.30-8,365.47

Finding the Fourth Proportional to 12,849.52, 17,735.30 and 8,365.47

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Solution

The fourth proportional to 12,849.52, 17,735.30 and 8,365.47 is: 11,546.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,849.52 : 17,735.30 = 8,365.47 : x
  2. Step 2: Convert to fraction form
    12,849.52/17,735.30 = 8,365.47/x
  3. Step 3: Cross multiply
    12,849.52x = 17,735.30 × 8,365.47
  4. Step 4: Simplify right side
    12,849.52x = 148,364,120.09
  5. Step 5: Solve for x
    x = 148,364,120.09/12,849.52
  6. Step 6: Final answer
    x = 11,546.28

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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.