Home / 12,395.43-17,105.19-6,729.96

Finding the Fourth Proportional to 12,395.43, 17,105.19 and 6,729.96

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Solution

The fourth proportional to 12,395.43, 17,105.19 and 6,729.96 is: 9,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.43 : 17,105.19 = 6,729.96 : x
  2. Step 2: Convert to fraction form
    12,395.43/17,105.19 = 6,729.96/x
  3. Step 3: Cross multiply
    12,395.43x = 17,105.19 × 6,729.96
  4. Step 4: Simplify right side
    12,395.43x = 115,117,244.49
  5. Step 5: Solve for x
    x = 115,117,244.49/12,395.43
  6. Step 6: Final answer
    x = 9,287.07

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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.