Home / 12,195.26-16,829.38-6,890.07

Finding the Fourth Proportional to 12,195.26, 16,829.38 and 6,890.07

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Solution

The fourth proportional to 12,195.26, 16,829.38 and 6,890.07 is: 9,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195.26 : 16,829.38 = 6,890.07 : x
  2. Step 2: Convert to fraction form
    12,195.26/16,829.38 = 6,890.07/x
  3. Step 3: Cross multiply
    12,195.26x = 16,829.38 × 6,890.07
  4. Step 4: Simplify right side
    12,195.26x = 115,955,589.03
  5. Step 5: Solve for x
    x = 115,955,589.03/12,195.26
  6. Step 6: Final answer
    x = 9,508.25

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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.