Home / 12,837.36-17,714.52-7,171.66

Finding the Fourth Proportional to 12,837.36, 17,714.52 and 7,171.66

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Solution

The fourth proportional to 12,837.36, 17,714.52 and 7,171.66 is: 9,896.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,837.36 : 17,714.52 = 7,171.66 : x
  2. Step 2: Convert to fraction form
    12,837.36/17,714.52 = 7,171.66/x
  3. Step 3: Cross multiply
    12,837.36x = 17,714.52 × 7,171.66
  4. Step 4: Simplify right side
    12,837.36x = 127,042,514.50
  5. Step 5: Solve for x
    x = 127,042,514.50/12,837.36
  6. Step 6: Final answer
    x = 9,896.31

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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.