Home / 11,726.67-16,177.80-7,476.60

Finding the Fourth Proportional to 11,726.67, 16,177.80 and 7,476.60

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Solution

The fourth proportional to 11,726.67, 16,177.80 and 7,476.60 is: 10,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.67 : 16,177.80 = 7,476.60 : x
  2. Step 2: Convert to fraction form
    11,726.67/16,177.80 = 7,476.60/x
  3. Step 3: Cross multiply
    11,726.67x = 16,177.80 × 7,476.60
  4. Step 4: Simplify right side
    11,726.67x = 120,954,939.48
  5. Step 5: Solve for x
    x = 120,954,939.48/11,726.67
  6. Step 6: Final answer
    x = 10,314.52

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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.