Home / 17,741.49-26,618.51-7,879.87

Finding the Fourth Proportional to 17,741.49, 26,618.51 and 7,879.87

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Solution

The fourth proportional to 17,741.49, 26,618.51 and 7,879.87 is: 11,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,741.49 : 26,618.51 = 7,879.87 : x
  2. Step 2: Convert to fraction form
    17,741.49/26,618.51 = 7,879.87/x
  3. Step 3: Cross multiply
    17,741.49x = 26,618.51 × 7,879.87
  4. Step 4: Simplify right side
    17,741.49x = 209,750,398.39
  5. Step 5: Solve for x
    x = 209,750,398.39/17,741.49
  6. Step 6: Final answer
    x = 11,822.59

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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.