Home / 11,613.92-16,027.56-6,309.10

Finding the Fourth Proportional to 11,613.92, 16,027.56 and 6,309.10

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Solution

The fourth proportional to 11,613.92, 16,027.56 and 6,309.10 is: 8,706.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613.92 : 16,027.56 = 6,309.10 : x
  2. Step 2: Convert to fraction form
    11,613.92/16,027.56 = 6,309.10/x
  3. Step 3: Cross multiply
    11,613.92x = 16,027.56 × 6,309.10
  4. Step 4: Simplify right side
    11,613.92x = 101,119,438.73
  5. Step 5: Solve for x
    x = 101,119,438.73/11,613.92
  6. Step 6: Final answer
    x = 8,706.74

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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.