Home / 12,406.19-18,609.44-3,641.27

Finding the Fourth Proportional to 12,406.19, 18,609.44 and 3,641.27

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Solution

The fourth proportional to 12,406.19, 18,609.44 and 3,641.27 is: 5,461.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,406.19 : 18,609.44 = 3,641.27 : x
  2. Step 2: Convert to fraction form
    12,406.19/18,609.44 = 3,641.27/x
  3. Step 3: Cross multiply
    12,406.19x = 18,609.44 × 3,641.27
  4. Step 4: Simplify right side
    12,406.19x = 67,761,884.34
  5. Step 5: Solve for x
    x = 67,761,884.34/12,406.19
  6. Step 6: Final answer
    x = 5,461.94

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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.