Home / 13,141.64-19,712.52-3,908.36

Finding the Fourth Proportional to 13,141.64, 19,712.52 and 3,908.36

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Solution

The fourth proportional to 13,141.64, 19,712.52 and 3,908.36 is: 5,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141.64 : 19,712.52 = 3,908.36 : x
  2. Step 2: Convert to fraction form
    13,141.64/19,712.52 = 3,908.36/x
  3. Step 3: Cross multiply
    13,141.64x = 19,712.52 × 3,908.36
  4. Step 4: Simplify right side
    13,141.64x = 77,043,624.67
  5. Step 5: Solve for x
    x = 77,043,624.67/13,141.64
  6. Step 6: Final answer
    x = 5,862.56

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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.