Home / 13,184.70-19,766.21-6,161.24

Finding the Fourth Proportional to 13,184.70, 19,766.21 and 6,161.24

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Solution

The fourth proportional to 13,184.70, 19,766.21 and 6,161.24 is: 9,236.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184.70 : 19,766.21 = 6,161.24 : x
  2. Step 2: Convert to fraction form
    13,184.70/19,766.21 = 6,161.24/x
  3. Step 3: Cross multiply
    13,184.70x = 19,766.21 × 6,161.24
  4. Step 4: Simplify right side
    13,184.70x = 121,784,363.70
  5. Step 5: Solve for x
    x = 121,784,363.70/13,184.70
  6. Step 6: Final answer
    x = 9,236.79

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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.