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Finding the Fourth Proportional to 8,644.83, 12,968.06 and 6,699.21

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Solution

The fourth proportional to 8,644.83, 12,968.06 and 6,699.21 is: 10,049.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,644.83 : 12,968.06 = 6,699.21 : x
  2. Step 2: Convert to fraction form
    8,644.83/12,968.06 = 6,699.21/x
  3. Step 3: Cross multiply
    8,644.83x = 12,968.06 × 6,699.21
  4. Step 4: Simplify right side
    8,644.83x = 86,875,757.23
  5. Step 5: Solve for x
    x = 86,875,757.23/8,644.83
  6. Step 6: Final answer
    x = 10,049.45

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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.