Home / 11,726.93-16,171.80-9,934.25

Finding the Fourth Proportional to 11,726.93, 16,171.80 and 9,934.25

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Solution

The fourth proportional to 11,726.93, 16,171.80 and 9,934.25 is: 13,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,726.93 : 16,171.80 = 9,934.25 : x
  2. Step 2: Convert to fraction form
    11,726.93/16,171.80 = 9,934.25/x
  3. Step 3: Cross multiply
    11,726.93x = 16,171.80 × 9,934.25
  4. Step 4: Simplify right side
    11,726.93x = 160,654,704.15
  5. Step 5: Solve for x
    x = 160,654,704.15/11,726.93
  6. Step 6: Final answer
    x = 13,699.64

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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.