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Finding the Fourth Proportional to 12,348.52, 17,040.96 and 6,759.52

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Solution

The fourth proportional to 12,348.52, 17,040.96 and 6,759.52 is: 9,328.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,348.52 : 17,040.96 = 6,759.52 : x
  2. Step 2: Convert to fraction form
    12,348.52/17,040.96 = 6,759.52/x
  3. Step 3: Cross multiply
    12,348.52x = 17,040.96 × 6,759.52
  4. Step 4: Simplify right side
    12,348.52x = 115,188,709.94
  5. Step 5: Solve for x
    x = 115,188,709.94/12,348.52
  6. Step 6: Final answer
    x = 9,328.14

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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.