Home / 19,957.35-27,540.98-11,005.23

Finding the Fourth Proportional to 19,957.35, 27,540.98 and 11,005.23

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Solution

The fourth proportional to 19,957.35, 27,540.98 and 11,005.23 is: 15,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.35 : 27,540.98 = 11,005.23 : x
  2. Step 2: Convert to fraction form
    19,957.35/27,540.98 = 11,005.23/x
  3. Step 3: Cross multiply
    19,957.35x = 27,540.98 × 11,005.23
  4. Step 4: Simplify right side
    19,957.35x = 303,094,764.30
  5. Step 5: Solve for x
    x = 303,094,764.30/19,957.35
  6. Step 6: Final answer
    x = 15,187.12

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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.