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Finding the Fourth Proportional to 9,304.74, 13,956.84 and 7,914.78

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Solution

The fourth proportional to 9,304.74, 13,956.84 and 7,914.78 is: 11,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.74 : 13,956.84 = 7,914.78 : x
  2. Step 2: Convert to fraction form
    9,304.74/13,956.84 = 7,914.78/x
  3. Step 3: Cross multiply
    9,304.74x = 13,956.84 × 7,914.78
  4. Step 4: Simplify right side
    9,304.74x = 110,465,318.10
  5. Step 5: Solve for x
    x = 110,465,318.10/9,304.74
  6. Step 6: Final answer
    x = 11,871.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.