Home / 11,441.25-17,079.02-9,891.22

Finding the Fourth Proportional to 11,441.25, 17,079.02 and 9,891.22

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Solution

The fourth proportional to 11,441.25, 17,079.02 and 9,891.22 is: 14,765.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,441.25 : 17,079.02 = 9,891.22 : x
  2. Step 2: Convert to fraction form
    11,441.25/17,079.02 = 9,891.22/x
  3. Step 3: Cross multiply
    11,441.25x = 17,079.02 × 9,891.22
  4. Step 4: Simplify right side
    11,441.25x = 168,932,209.35
  5. Step 5: Solve for x
    x = 168,932,209.35/11,441.25
  6. Step 6: Final answer
    x = 14,765.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.