Home / 12,371.77-18,555.68-3,604.64

Finding the Fourth Proportional to 12,371.77, 18,555.68 and 3,604.64

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Solution

The fourth proportional to 12,371.77, 18,555.68 and 3,604.64 is: 5,406.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.77 : 18,555.68 = 3,604.64 : x
  2. Step 2: Convert to fraction form
    12,371.77/18,555.68 = 3,604.64/x
  3. Step 3: Cross multiply
    12,371.77x = 18,555.68 × 3,604.64
  4. Step 4: Simplify right side
    12,371.77x = 66,886,462.59
  5. Step 5: Solve for x
    x = 66,886,462.59/12,371.77
  6. Step 6: Final answer
    x = 5,406.38

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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.