Home / 12,617.07-17,409.52-7,310.86

Finding the Fourth Proportional to 12,617.07, 17,409.52 and 7,310.86

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Solution

The fourth proportional to 12,617.07, 17,409.52 and 7,310.86 is: 10,087.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,617.07 : 17,409.52 = 7,310.86 : x
  2. Step 2: Convert to fraction form
    12,617.07/17,409.52 = 7,310.86/x
  3. Step 3: Cross multiply
    12,617.07x = 17,409.52 × 7,310.86
  4. Step 4: Simplify right side
    12,617.07x = 127,278,626.93
  5. Step 5: Solve for x
    x = 127,278,626.93/12,617.07
  6. Step 6: Final answer
    x = 10,087.81

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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.