Home / 9,101.72-13,652.68-3,836.80

Finding the Fourth Proportional to 9,101.72, 13,652.68 and 3,836.80

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Solution

The fourth proportional to 9,101.72, 13,652.68 and 3,836.80 is: 5,755.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,101.72 : 13,652.68 = 3,836.80 : x
  2. Step 2: Convert to fraction form
    9,101.72/13,652.68 = 3,836.80/x
  3. Step 3: Cross multiply
    9,101.72x = 13,652.68 × 3,836.80
  4. Step 4: Simplify right side
    9,101.72x = 52,382,602.62
  5. Step 5: Solve for x
    x = 52,382,602.62/9,101.72
  6. Step 6: Final answer
    x = 5,755.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.