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Finding the Fourth Proportional to 9,962.46, 14,924.24 and 7,760.88

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Solution

The fourth proportional to 9,962.46, 14,924.24 and 7,760.88 is: 11,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.46 : 14,924.24 = 7,760.88 : x
  2. Step 2: Convert to fraction form
    9,962.46/14,924.24 = 7,760.88/x
  3. Step 3: Cross multiply
    9,962.46x = 14,924.24 × 7,760.88
  4. Step 4: Simplify right side
    9,962.46x = 115,825,196.93
  5. Step 5: Solve for x
    x = 115,825,196.93/9,962.46
  6. Step 6: Final answer
    x = 11,626.16

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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.