Home / 11,618.71-16,033.88-6,313.61

Finding the Fourth Proportional to 11,618.71, 16,033.88 and 6,313.61

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Solution

The fourth proportional to 11,618.71, 16,033.88 and 6,313.61 is: 8,712.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.71 : 16,033.88 = 6,313.61 : x
  2. Step 2: Convert to fraction form
    11,618.71/16,033.88 = 6,313.61/x
  3. Step 3: Cross multiply
    11,618.71x = 16,033.88 × 6,313.61
  4. Step 4: Simplify right side
    11,618.71x = 101,231,720.98
  5. Step 5: Solve for x
    x = 101,231,720.98/11,618.71
  6. Step 6: Final answer
    x = 8,712.82

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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.