Home / 13,296.79-19,944.87-11,539

Finding the Fourth Proportional to 13,296.79, 19,944.87 and 11,539

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Solution

The fourth proportional to 13,296.79, 19,944.87 and 11,539 is: 17,308.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.79 : 19,944.87 = 11,539 : x
  2. Step 2: Convert to fraction form
    13,296.79/19,944.87 = 11,539/x
  3. Step 3: Cross multiply
    13,296.79x = 19,944.87 × 11,539
  4. Step 4: Simplify right side
    13,296.79x = 230,143,854.93
  5. Step 5: Solve for x
    x = 230,143,854.93/13,296.79
  6. Step 6: Final answer
    x = 17,308.23

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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.