Home / 9,581.92-13,217.96-6,514.64

Finding the Fourth Proportional to 9,581.92, 13,217.96 and 6,514.64

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Solution

The fourth proportional to 9,581.92, 13,217.96 and 6,514.64 is: 8,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,581.92 : 13,217.96 = 6,514.64 : x
  2. Step 2: Convert to fraction form
    9,581.92/13,217.96 = 6,514.64/x
  3. Step 3: Cross multiply
    9,581.92x = 13,217.96 × 6,514.64
  4. Step 4: Simplify right side
    9,581.92x = 86,110,250.93
  5. Step 5: Solve for x
    x = 86,110,250.93/9,581.92
  6. Step 6: Final answer
    x = 8,986.74

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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.