Home / 11,388.46-15,716.10-6,352.55

Finding the Fourth Proportional to 11,388.46, 15,716.10 and 6,352.55

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Solution

The fourth proportional to 11,388.46, 15,716.10 and 6,352.55 is: 8,766.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388.46 : 15,716.10 = 6,352.55 : x
  2. Step 2: Convert to fraction form
    11,388.46/15,716.10 = 6,352.55/x
  3. Step 3: Cross multiply
    11,388.46x = 15,716.10 × 6,352.55
  4. Step 4: Simplify right side
    11,388.46x = 99,837,363.67
  5. Step 5: Solve for x
    x = 99,837,363.67/11,388.46
  6. Step 6: Final answer
    x = 8,766.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.