Home / 13,135.52-19,694.64-5,342.24

Finding the Fourth Proportional to 13,135.52, 19,694.64 and 5,342.24

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Solution

The fourth proportional to 13,135.52, 19,694.64 and 5,342.24 is: 8,009.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,135.52 : 19,694.64 = 5,342.24 : x
  2. Step 2: Convert to fraction form
    13,135.52/19,694.64 = 5,342.24/x
  3. Step 3: Cross multiply
    13,135.52x = 19,694.64 × 5,342.24
  4. Step 4: Simplify right side
    13,135.52x = 105,213,493.59
  5. Step 5: Solve for x
    x = 105,213,493.59/13,135.52
  6. Step 6: Final answer
    x = 8,009.85

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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.