Home / 20,600.92-28,427.52-11,647.18

Finding the Fourth Proportional to 20,600.92, 28,427.52 and 11,647.18

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Solution

The fourth proportional to 20,600.92, 28,427.52 and 11,647.18 is: 16,072.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,600.92 : 28,427.52 = 11,647.18 : x
  2. Step 2: Convert to fraction form
    20,600.92/28,427.52 = 11,647.18/x
  3. Step 3: Cross multiply
    20,600.92x = 28,427.52 × 11,647.18
  4. Step 4: Simplify right side
    20,600.92x = 331,100,442.39
  5. Step 5: Solve for x
    x = 331,100,442.39/20,600.92
  6. Step 6: Final answer
    x = 16,072.12

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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.