Home / 12,371.27-18,557.51-3,606.86

Finding the Fourth Proportional to 12,371.27, 18,557.51 and 3,606.86

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Solution

The fourth proportional to 12,371.27, 18,557.51 and 3,606.86 is: 5,410.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.27 : 18,557.51 = 3,606.86 : x
  2. Step 2: Convert to fraction form
    12,371.27/18,557.51 = 3,606.86/x
  3. Step 3: Cross multiply
    12,371.27x = 18,557.51 × 3,606.86
  4. Step 4: Simplify right side
    12,371.27x = 66,934,368.88
  5. Step 5: Solve for x
    x = 66,934,368.88/12,371.27
  6. Step 6: Final answer
    x = 5,410.47

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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.