Home / 19,708.03-27,197.13-11,209.96

Finding the Fourth Proportional to 19,708.03, 27,197.13 and 11,209.96

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Solution

The fourth proportional to 19,708.03, 27,197.13 and 11,209.96 is: 15,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.03 : 27,197.13 = 11,209.96 : x
  2. Step 2: Convert to fraction form
    19,708.03/27,197.13 = 11,209.96/x
  3. Step 3: Cross multiply
    19,708.03x = 27,197.13 × 11,209.96
  4. Step 4: Simplify right side
    19,708.03x = 304,878,739.41
  5. Step 5: Solve for x
    x = 304,878,739.41/19,708.03
  6. Step 6: Final answer
    x = 15,469.77

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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.