Home / 8,433-12,629.82-6,666.14

Finding the Fourth Proportional to 8,433, 12,629.82 and 6,666.14

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Solution

The fourth proportional to 8,433, 12,629.82 and 6,666.14 is: 9,983.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433 : 12,629.82 = 6,666.14 : x
  2. Step 2: Convert to fraction form
    8,433/12,629.82 = 6,666.14/x
  3. Step 3: Cross multiply
    8,433x = 12,629.82 × 6,666.14
  4. Step 4: Simplify right side
    8,433x = 84,192,148.29
  5. Step 5: Solve for x
    x = 84,192,148.29/8,433
  6. Step 6: Final answer
    x = 9,983.65

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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.