Home / 11,513.80-17,270.70-5,965.30

Finding the Fourth Proportional to 11,513.80, 17,270.70 and 5,965.30

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Solution

The fourth proportional to 11,513.80, 17,270.70 and 5,965.30 is: 8,947.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.80 : 17,270.70 = 5,965.30 : x
  2. Step 2: Convert to fraction form
    11,513.80/17,270.70 = 5,965.30/x
  3. Step 3: Cross multiply
    11,513.80x = 17,270.70 × 5,965.30
  4. Step 4: Simplify right side
    11,513.80x = 103,024,906.71
  5. Step 5: Solve for x
    x = 103,024,906.71/11,513.80
  6. Step 6: Final answer
    x = 8,947.95

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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.