Home / 12,371.71-18,559.24-3,606.56

Finding the Fourth Proportional to 12,371.71, 18,559.24 and 3,606.56

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Solution

The fourth proportional to 12,371.71, 18,559.24 and 3,606.56 is: 5,410.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.71 : 18,559.24 = 3,606.56 : x
  2. Step 2: Convert to fraction form
    12,371.71/18,559.24 = 3,606.56/x
  3. Step 3: Cross multiply
    12,371.71x = 18,559.24 × 3,606.56
  4. Step 4: Simplify right side
    12,371.71x = 66,934,901.79
  5. Step 5: Solve for x
    x = 66,934,901.79/12,371.71
  6. Step 6: Final answer
    x = 5,410.32

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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.