Home / 18,620.48-25,695.60-10,236.80

Finding the Fourth Proportional to 18,620.48, 25,695.60 and 10,236.80

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Solution

The fourth proportional to 18,620.48, 25,695.60 and 10,236.80 is: 14,126.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,620.48 : 25,695.60 = 10,236.80 : x
  2. Step 2: Convert to fraction form
    18,620.48/25,695.60 = 10,236.80/x
  3. Step 3: Cross multiply
    18,620.48x = 25,695.60 × 10,236.80
  4. Step 4: Simplify right side
    18,620.48x = 263,040,718.08
  5. Step 5: Solve for x
    x = 263,040,718.08/18,620.48
  6. Step 6: Final answer
    x = 14,126.42

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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.