Home / 11,890.15-17,837.66-5,317

Finding the Fourth Proportional to 11,890.15, 17,837.66 and 5,317

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Solution

The fourth proportional to 11,890.15, 17,837.66 and 5,317 is: 7,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890.15 : 17,837.66 = 5,317 : x
  2. Step 2: Convert to fraction form
    11,890.15/17,837.66 = 5,317/x
  3. Step 3: Cross multiply
    11,890.15x = 17,837.66 × 5,317
  4. Step 4: Simplify right side
    11,890.15x = 94,842,838.22
  5. Step 5: Solve for x
    x = 94,842,838.22/11,890.15
  6. Step 6: Final answer
    x = 7,976.59

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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.