Home / 12,269.64-18,406.92-3,504.62

Finding the Fourth Proportional to 12,269.64, 18,406.92 and 3,504.62

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Solution

The fourth proportional to 12,269.64, 18,406.92 and 3,504.62 is: 5,257.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.64 : 18,406.92 = 3,504.62 : x
  2. Step 2: Convert to fraction form
    12,269.64/18,406.92 = 3,504.62/x
  3. Step 3: Cross multiply
    12,269.64x = 18,406.92 × 3,504.62
  4. Step 4: Simplify right side
    12,269.64x = 64,509,259.97
  5. Step 5: Solve for x
    x = 64,509,259.97/12,269.64
  6. Step 6: Final answer
    x = 5,257.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.