Home / 12,625.80-17,422.90-6,960.54

Finding the Fourth Proportional to 12,625.80, 17,422.90 and 6,960.54

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Solution

The fourth proportional to 12,625.80, 17,422.90 and 6,960.54 is: 9,605.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,625.80 : 17,422.90 = 6,960.54 : x
  2. Step 2: Convert to fraction form
    12,625.80/17,422.90 = 6,960.54/x
  3. Step 3: Cross multiply
    12,625.80x = 17,422.90 × 6,960.54
  4. Step 4: Simplify right side
    12,625.80x = 121,272,792.37
  5. Step 5: Solve for x
    x = 121,272,792.37/12,625.80
  6. Step 6: Final answer
    x = 9,605.16

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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.