Home / 15,410.44-21,288.18-12,262.60

Finding the Fourth Proportional to 15,410.44, 21,288.18 and 12,262.60

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Solution

The fourth proportional to 15,410.44, 21,288.18 and 12,262.60 is: 16,939.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,410.44 : 21,288.18 = 12,262.60 : x
  2. Step 2: Convert to fraction form
    15,410.44/21,288.18 = 12,262.60/x
  3. Step 3: Cross multiply
    15,410.44x = 21,288.18 × 12,262.60
  4. Step 4: Simplify right side
    15,410.44x = 261,048,436.07
  5. Step 5: Solve for x
    x = 261,048,436.07/15,410.44
  6. Step 6: Final answer
    x = 16,939.71

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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.