Home / 11,618.96-16,034.22-6,313.88

Finding the Fourth Proportional to 11,618.96, 16,034.22 and 6,313.88

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Solution

The fourth proportional to 11,618.96, 16,034.22 and 6,313.88 is: 8,713.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.96 : 16,034.22 = 6,313.88 : x
  2. Step 2: Convert to fraction form
    11,618.96/16,034.22 = 6,313.88/x
  3. Step 3: Cross multiply
    11,618.96x = 16,034.22 × 6,313.88
  4. Step 4: Simplify right side
    11,618.96x = 101,238,140.97
  5. Step 5: Solve for x
    x = 101,238,140.97/11,618.96
  6. Step 6: Final answer
    x = 8,713.18

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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.