Home / 12,438.02-17,163.68-6,849.02

Finding the Fourth Proportional to 12,438.02, 17,163.68 and 6,849.02

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Solution

The fourth proportional to 12,438.02, 17,163.68 and 6,849.02 is: 9,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,438.02 : 17,163.68 = 6,849.02 : x
  2. Step 2: Convert to fraction form
    12,438.02/17,163.68 = 6,849.02/x
  3. Step 3: Cross multiply
    12,438.02x = 17,163.68 × 6,849.02
  4. Step 4: Simplify right side
    12,438.02x = 117,554,387.59
  5. Step 5: Solve for x
    x = 117,554,387.59/12,438.02
  6. Step 6: Final answer
    x = 9,451.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.