Home / 12,371.84-18,544.31-4,045.78

Finding the Fourth Proportional to 12,371.84, 18,544.31 and 4,045.78

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Solution

The fourth proportional to 12,371.84, 18,544.31 and 4,045.78 is: 6,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.84 : 18,544.31 = 4,045.78 : x
  2. Step 2: Convert to fraction form
    12,371.84/18,544.31 = 4,045.78/x
  3. Step 3: Cross multiply
    12,371.84x = 18,544.31 × 4,045.78
  4. Step 4: Simplify right side
    12,371.84x = 75,026,173.25
  5. Step 5: Solve for x
    x = 75,026,173.25/12,371.84
  6. Step 6: Final answer
    x = 6,064.27

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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.