Home / 13,206.80-19,797.86-6,625.28

Finding the Fourth Proportional to 13,206.80, 19,797.86 and 6,625.28

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Solution

The fourth proportional to 13,206.80, 19,797.86 and 6,625.28 is: 9,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.80 : 19,797.86 = 6,625.28 : x
  2. Step 2: Convert to fraction form
    13,206.80/19,797.86 = 6,625.28/x
  3. Step 3: Cross multiply
    13,206.80x = 19,797.86 × 6,625.28
  4. Step 4: Simplify right side
    13,206.80x = 131,166,365.90
  5. Step 5: Solve for x
    x = 131,166,365.90/13,206.80
  6. Step 6: Final answer
    x = 9,931.73

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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.