Home / 12,351.24-18,515.34-4,554

Finding the Fourth Proportional to 12,351.24, 18,515.34 and 4,554

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Solution

The fourth proportional to 12,351.24, 18,515.34 and 4,554 is: 6,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.24 : 18,515.34 = 4,554 : x
  2. Step 2: Convert to fraction form
    12,351.24/18,515.34 = 4,554/x
  3. Step 3: Cross multiply
    12,351.24x = 18,515.34 × 4,554
  4. Step 4: Simplify right side
    12,351.24x = 84,318,858.36
  5. Step 5: Solve for x
    x = 84,318,858.36/12,351.24
  6. Step 6: Final answer
    x = 6,826.75

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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.