Home / 12,453.26-17,185.50-6,864.26

Finding the Fourth Proportional to 12,453.26, 17,185.50 and 6,864.26

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Solution

The fourth proportional to 12,453.26, 17,185.50 and 6,864.26 is: 9,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,453.26 : 17,185.50 = 6,864.26 : x
  2. Step 2: Convert to fraction form
    12,453.26/17,185.50 = 6,864.26/x
  3. Step 3: Cross multiply
    12,453.26x = 17,185.50 × 6,864.26
  4. Step 4: Simplify right side
    12,453.26x = 117,965,740.23
  5. Step 5: Solve for x
    x = 117,965,740.23/12,453.26
  6. Step 6: Final answer
    x = 9,472.68

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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.