Home / 12,605.24-17,395.61-6,940.58

Finding the Fourth Proportional to 12,605.24, 17,395.61 and 6,940.58

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Solution

The fourth proportional to 12,605.24, 17,395.61 and 6,940.58 is: 9,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,605.24 : 17,395.61 = 6,940.58 : x
  2. Step 2: Convert to fraction form
    12,605.24/17,395.61 = 6,940.58/x
  3. Step 3: Cross multiply
    12,605.24x = 17,395.61 × 6,940.58
  4. Step 4: Simplify right side
    12,605.24x = 120,735,622.85
  5. Step 5: Solve for x
    x = 120,735,622.85/12,605.24
  6. Step 6: Final answer
    x = 9,578.21

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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.