Home / 13,966.92-20,969.82-7,046.28

Finding the Fourth Proportional to 13,966.92, 20,969.82 and 7,046.28

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Solution

The fourth proportional to 13,966.92, 20,969.82 and 7,046.28 is: 10,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.92 : 20,969.82 = 7,046.28 : x
  2. Step 2: Convert to fraction form
    13,966.92/20,969.82 = 7,046.28/x
  3. Step 3: Cross multiply
    13,966.92x = 20,969.82 × 7,046.28
  4. Step 4: Simplify right side
    13,966.92x = 147,759,223.27
  5. Step 5: Solve for x
    x = 147,759,223.27/13,966.92
  6. Step 6: Final answer
    x = 10,579.23

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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.