Home / 11,495.42-15,863.24-6,459.85

Finding the Fourth Proportional to 11,495.42, 15,863.24 and 6,459.85

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Solution

The fourth proportional to 11,495.42, 15,863.24 and 6,459.85 is: 8,914.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.42 : 15,863.24 = 6,459.85 : x
  2. Step 2: Convert to fraction form
    11,495.42/15,863.24 = 6,459.85/x
  3. Step 3: Cross multiply
    11,495.42x = 15,863.24 × 6,459.85
  4. Step 4: Simplify right side
    11,495.42x = 102,474,078.96
  5. Step 5: Solve for x
    x = 102,474,078.96/11,495.42
  6. Step 6: Final answer
    x = 8,914.34

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1.5x scale

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.