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Finding the Fourth Proportional to 11,318.88, 15,620.08 and 6,350.88

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Solution

The fourth proportional to 11,318.88, 15,620.08 and 6,350.88 is: 8,764.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,318.88 : 15,620.08 = 6,350.88 : x
  2. Step 2: Convert to fraction form
    11,318.88/15,620.08 = 6,350.88/x
  3. Step 3: Cross multiply
    11,318.88x = 15,620.08 × 6,350.88
  4. Step 4: Simplify right side
    11,318.88x = 99,201,253.67
  5. Step 5: Solve for x
    x = 99,201,253.67/11,318.88
  6. Step 6: Final answer
    x = 8,764.23

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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.