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Finding the Fourth Proportional to 8,964.16, 13,455.92 and 6,796.56

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Solution

The fourth proportional to 8,964.16, 13,455.92 and 6,796.56 is: 10,202.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.16 : 13,455.92 = 6,796.56 : x
  2. Step 2: Convert to fraction form
    8,964.16/13,455.92 = 6,796.56/x
  3. Step 3: Cross multiply
    8,964.16x = 13,455.92 × 6,796.56
  4. Step 4: Simplify right side
    8,964.16x = 91,453,967.64
  5. Step 5: Solve for x
    x = 91,453,967.64/8,964.16
  6. Step 6: Final answer
    x = 10,202.18

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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.