Home / 13,293.66-19,943.67-3,806.12

Finding the Fourth Proportional to 13,293.66, 19,943.67 and 3,806.12

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Solution

The fourth proportional to 13,293.66, 19,943.67 and 3,806.12 is: 5,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.66 : 19,943.67 = 3,806.12 : x
  2. Step 2: Convert to fraction form
    13,293.66/19,943.67 = 3,806.12/x
  3. Step 3: Cross multiply
    13,293.66x = 19,943.67 × 3,806.12
  4. Step 4: Simplify right side
    13,293.66x = 75,907,901.54
  5. Step 5: Solve for x
    x = 75,907,901.54/13,293.66
  6. Step 6: Final answer
    x = 5,710.08

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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.