Home / 12,349.52-17,042.36-6,760.56

Finding the Fourth Proportional to 12,349.52, 17,042.36 and 6,760.56

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Solution

The fourth proportional to 12,349.52, 17,042.36 and 6,760.56 is: 9,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,349.52 : 17,042.36 = 6,760.56 : x
  2. Step 2: Convert to fraction form
    12,349.52/17,042.36 = 6,760.56/x
  3. Step 3: Cross multiply
    12,349.52x = 17,042.36 × 6,760.56
  4. Step 4: Simplify right side
    12,349.52x = 115,215,897.32
  5. Step 5: Solve for x
    x = 115,215,897.32/12,349.52
  6. Step 6: Final answer
    x = 9,329.59

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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.