Home / 20,601.06-28,427.94-11,647.86

Finding the Fourth Proportional to 20,601.06, 28,427.94 and 11,647.86

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Solution

The fourth proportional to 20,601.06, 28,427.94 and 11,647.86 is: 16,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601.06 : 28,427.94 = 11,647.86 : x
  2. Step 2: Convert to fraction form
    20,601.06/28,427.94 = 11,647.86/x
  3. Step 3: Cross multiply
    20,601.06x = 28,427.94 × 11,647.86
  4. Step 4: Simplify right side
    20,601.06x = 331,124,665.21
  5. Step 5: Solve for x
    x = 331,124,665.21/20,601.06
  6. Step 6: Final answer
    x = 16,073.19

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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.