Home / 19,615.42-27,069.30-11,231.92

Finding the Fourth Proportional to 19,615.42, 27,069.30 and 11,231.92

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Solution

The fourth proportional to 19,615.42, 27,069.30 and 11,231.92 is: 15,500.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.42 : 27,069.30 = 11,231.92 : x
  2. Step 2: Convert to fraction form
    19,615.42/27,069.30 = 11,231.92/x
  3. Step 3: Cross multiply
    19,615.42x = 27,069.30 × 11,231.92
  4. Step 4: Simplify right side
    19,615.42x = 304,040,212.06
  5. Step 5: Solve for x
    x = 304,040,212.06/19,615.42
  6. Step 6: Final answer
    x = 15,500.06

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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.