Home / 19,546.40-29,358.80-11,664.29

Finding the Fourth Proportional to 19,546.40, 29,358.80 and 11,664.29

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Solution

The fourth proportional to 19,546.40, 29,358.80 and 11,664.29 is: 17,519.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,546.40 : 29,358.80 = 11,664.29 : x
  2. Step 2: Convert to fraction form
    19,546.40/29,358.80 = 11,664.29/x
  3. Step 3: Cross multiply
    19,546.40x = 29,358.80 × 11,664.29
  4. Step 4: Simplify right side
    19,546.40x = 342,449,557.25
  5. Step 5: Solve for x
    x = 342,449,557.25/19,546.40
  6. Step 6: Final answer
    x = 17,519.83

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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.