Home / 13,951.74-21,023.59-11,540.82

Finding the Fourth Proportional to 13,951.74, 21,023.59 and 11,540.82

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Solution

The fourth proportional to 13,951.74, 21,023.59 and 11,540.82 is: 17,390.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,951.74 : 21,023.59 = 11,540.82 : x
  2. Step 2: Convert to fraction form
    13,951.74/21,023.59 = 11,540.82/x
  3. Step 3: Cross multiply
    13,951.74x = 21,023.59 × 11,540.82
  4. Step 4: Simplify right side
    13,951.74x = 242,629,467.94
  5. Step 5: Solve for x
    x = 242,629,467.94/13,951.74
  6. Step 6: Final answer
    x = 17,390.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.