Home / 20,101.24-27,737.91-11,148.73

Finding the Fourth Proportional to 20,101.24, 27,737.91 and 11,148.73

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Solution

The fourth proportional to 20,101.24, 27,737.91 and 11,148.73 is: 15,384.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101.24 : 27,737.91 = 11,148.73 : x
  2. Step 2: Convert to fraction form
    20,101.24/27,737.91 = 11,148.73/x
  3. Step 3: Cross multiply
    20,101.24x = 27,737.91 × 11,148.73
  4. Step 4: Simplify right side
    20,101.24x = 309,242,469.35
  5. Step 5: Solve for x
    x = 309,242,469.35/20,101.24
  6. Step 6: Final answer
    x = 15,384.25

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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.