Home / 12,766.41-17,617.60-7,177.41

Finding the Fourth Proportional to 12,766.41, 17,617.60 and 7,177.41

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Solution

The fourth proportional to 12,766.41, 17,617.60 and 7,177.41 is: 9,904.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.41 : 17,617.60 = 7,177.41 : x
  2. Step 2: Convert to fraction form
    12,766.41/17,617.60 = 7,177.41/x
  3. Step 3: Cross multiply
    12,766.41x = 17,617.60 × 7,177.41
  4. Step 4: Simplify right side
    12,766.41x = 126,448,747.39
  5. Step 5: Solve for x
    x = 126,448,747.39/12,766.41
  6. Step 6: Final answer
    x = 9,904.80

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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.