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Finding the Fourth Proportional to 13,329.71, 19,993.89 and 5,009.09

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Solution

The fourth proportional to 13,329.71, 19,993.89 and 5,009.09 is: 7,513.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.71 : 19,993.89 = 5,009.09 : x
  2. Step 2: Convert to fraction form
    13,329.71/19,993.89 = 5,009.09/x
  3. Step 3: Cross multiply
    13,329.71x = 19,993.89 × 5,009.09
  4. Step 4: Simplify right side
    13,329.71x = 100,151,197.56
  5. Step 5: Solve for x
    x = 100,151,197.56/13,329.71
  6. Step 6: Final answer
    x = 7,513.38

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1.5x scale

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.