Home / 20,180.01-27,848.82-11,229.10

Finding the Fourth Proportional to 20,180.01, 27,848.82 and 11,229.10

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Solution

The fourth proportional to 20,180.01, 27,848.82 and 11,229.10 is: 15,496.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.01 : 27,848.82 = 11,229.10 : x
  2. Step 2: Convert to fraction form
    20,180.01/27,848.82 = 11,229.10/x
  3. Step 3: Cross multiply
    20,180.01x = 27,848.82 × 11,229.10
  4. Step 4: Simplify right side
    20,180.01x = 312,717,184.66
  5. Step 5: Solve for x
    x = 312,717,184.66/20,180.01
  6. Step 6: Final answer
    x = 15,496.38

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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.