Home / 11,517.84-17,279.32-3,726.48

Finding the Fourth Proportional to 11,517.84, 17,279.32 and 3,726.48

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Solution

The fourth proportional to 11,517.84, 17,279.32 and 3,726.48 is: 5,590.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,517.84 : 17,279.32 = 3,726.48 : x
  2. Step 2: Convert to fraction form
    11,517.84/17,279.32 = 3,726.48/x
  3. Step 3: Cross multiply
    11,517.84x = 17,279.32 × 3,726.48
  4. Step 4: Simplify right side
    11,517.84x = 64,391,040.39
  5. Step 5: Solve for x
    x = 64,391,040.39/11,517.84
  6. Step 6: Final answer
    x = 5,590.55

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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.