Home / 11,637.27-17,456.13-3,317.51

Finding the Fourth Proportional to 11,637.27, 17,456.13 and 3,317.51

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Solution

The fourth proportional to 11,637.27, 17,456.13 and 3,317.51 is: 4,976.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,637.27 : 17,456.13 = 3,317.51 : x
  2. Step 2: Convert to fraction form
    11,637.27/17,456.13 = 3,317.51/x
  3. Step 3: Cross multiply
    11,637.27x = 17,456.13 × 3,317.51
  4. Step 4: Simplify right side
    11,637.27x = 57,910,840.62
  5. Step 5: Solve for x
    x = 57,910,840.62/11,637.27
  6. Step 6: Final answer
    x = 4,976.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.