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Finding the Fourth Proportional to 11,568.91, 15,965.08 and 6,263.73

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Solution

The fourth proportional to 11,568.91, 15,965.08 and 6,263.73 is: 8,643.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.91 : 15,965.08 = 6,263.73 : x
  2. Step 2: Convert to fraction form
    11,568.91/15,965.08 = 6,263.73/x
  3. Step 3: Cross multiply
    11,568.91x = 15,965.08 × 6,263.73
  4. Step 4: Simplify right side
    11,568.91x = 100,000,950.55
  5. Step 5: Solve for x
    x = 100,000,950.55/11,568.91
  6. Step 6: Final answer
    x = 8,643.94

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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.