Home / 20,363.19-28,101.97-11,410.37

Finding the Fourth Proportional to 20,363.19, 28,101.97 and 11,410.37

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Solution

The fourth proportional to 20,363.19, 28,101.97 and 11,410.37 is: 15,746.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,363.19 : 28,101.97 = 11,410.37 : x
  2. Step 2: Convert to fraction form
    20,363.19/28,101.97 = 11,410.37/x
  3. Step 3: Cross multiply
    20,363.19x = 28,101.97 × 11,410.37
  4. Step 4: Simplify right side
    20,363.19x = 320,653,743.44
  5. Step 5: Solve for x
    x = 320,653,743.44/20,363.19
  6. Step 6: Final answer
    x = 15,746.73

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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.