Home / 19,642.30-27,104.94-11,146.22

Finding the Fourth Proportional to 19,642.30, 27,104.94 and 11,146.22

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Solution

The fourth proportional to 19,642.30, 27,104.94 and 11,146.22 is: 15,380.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642.30 : 27,104.94 = 11,146.22 : x
  2. Step 2: Convert to fraction form
    19,642.30/27,104.94 = 11,146.22/x
  3. Step 3: Cross multiply
    19,642.30x = 27,104.94 × 11,146.22
  4. Step 4: Simplify right side
    19,642.30x = 302,117,624.33
  5. Step 5: Solve for x
    x = 302,117,624.33/19,642.30
  6. Step 6: Final answer
    x = 15,380.97

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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.