Home / 13,169.12-19,766.03-6,933.74

Finding the Fourth Proportional to 13,169.12, 19,766.03 and 6,933.74

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Solution

The fourth proportional to 13,169.12, 19,766.03 and 6,933.74 is: 10,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.12 : 19,766.03 = 6,933.74 : x
  2. Step 2: Convert to fraction form
    13,169.12/19,766.03 = 6,933.74/x
  3. Step 3: Cross multiply
    13,169.12x = 19,766.03 × 6,933.74
  4. Step 4: Simplify right side
    13,169.12x = 137,052,379.35
  5. Step 5: Solve for x
    x = 137,052,379.35/13,169.12
  6. Step 6: Final answer
    x = 10,407.11

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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.