Home / 13,055.40-19,579.14-3,694.68

Finding the Fourth Proportional to 13,055.40, 19,579.14 and 3,694.68

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Solution

The fourth proportional to 13,055.40, 19,579.14 and 3,694.68 is: 5,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055.40 : 19,579.14 = 3,694.68 : x
  2. Step 2: Convert to fraction form
    13,055.40/19,579.14 = 3,694.68/x
  3. Step 3: Cross multiply
    13,055.40x = 19,579.14 × 3,694.68
  4. Step 4: Simplify right side
    13,055.40x = 72,338,656.98
  5. Step 5: Solve for x
    x = 72,338,656.98/13,055.40
  6. Step 6: Final answer
    x = 5,540.90

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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.