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Finding the Fourth Proportional to 8,659.23, 12,998.03 and 7,035.38

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Solution

The fourth proportional to 8,659.23, 12,998.03 and 7,035.38 is: 10,560.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659.23 : 12,998.03 = 7,035.38 : x
  2. Step 2: Convert to fraction form
    8,659.23/12,998.03 = 7,035.38/x
  3. Step 3: Cross multiply
    8,659.23x = 12,998.03 × 7,035.38
  4. Step 4: Simplify right side
    8,659.23x = 91,446,080.30
  5. Step 5: Solve for x
    x = 91,446,080.30/8,659.23
  6. Step 6: Final answer
    x = 10,560.53

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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.