Home / 12,766.50-19,158.48-4,446.51

Finding the Fourth Proportional to 12,766.50, 19,158.48 and 4,446.51

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Solution

The fourth proportional to 12,766.50, 19,158.48 and 4,446.51 is: 6,672.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.50 : 19,158.48 = 4,446.51 : x
  2. Step 2: Convert to fraction form
    12,766.50/19,158.48 = 4,446.51/x
  3. Step 3: Cross multiply
    12,766.50x = 19,158.48 × 4,446.51
  4. Step 4: Simplify right side
    12,766.50x = 85,188,372.90
  5. Step 5: Solve for x
    x = 85,188,372.90/12,766.50
  6. Step 6: Final answer
    x = 6,672.81

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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.