Home / 12,165.26-16,790.49-6,860.18

Finding the Fourth Proportional to 12,165.26, 16,790.49 and 6,860.18

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Solution

The fourth proportional to 12,165.26, 16,790.49 and 6,860.18 is: 9,468.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.26 : 16,790.49 = 6,860.18 : x
  2. Step 2: Convert to fraction form
    12,165.26/16,790.49 = 6,860.18/x
  3. Step 3: Cross multiply
    12,165.26x = 16,790.49 × 6,860.18
  4. Step 4: Simplify right side
    12,165.26x = 115,185,783.69
  5. Step 5: Solve for x
    x = 115,185,783.69/12,165.26
  6. Step 6: Final answer
    x = 9,468.42

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1.5x scale

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.