Home / 13,264.49-19,896.76-3,403.79

Finding the Fourth Proportional to 13,264.49, 19,896.76 and 3,403.79

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Solution

The fourth proportional to 13,264.49, 19,896.76 and 3,403.79 is: 5,105.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.49 : 19,896.76 = 3,403.79 : x
  2. Step 2: Convert to fraction form
    13,264.49/19,896.76 = 3,403.79/x
  3. Step 3: Cross multiply
    13,264.49x = 19,896.76 × 3,403.79
  4. Step 4: Simplify right side
    13,264.49x = 67,724,372.10
  5. Step 5: Solve for x
    x = 67,724,372.10/13,264.49
  6. Step 6: Final answer
    x = 5,105.69

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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.